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1453252080 = 243574320117
BaseRepresentation
bin101011010011110…
…1101110111110000
310202021112212002010
41112213231313300
510434013031310
6400112122520
751004303350
oct12647556760
93667485063
101453252080
11686360885
12346836440
131a2105197
14db014b60
15878b3320
hex569eddf0

1453252080 has 160 divisors (see below), whose sum is σ = 5268662784. Its totient is φ = 324430848.

The previous prime is 1453252067. The next prime is 1453252109. The reversal of 1453252080 is 802523541.

It is a super-2 number, since 2×14532520802 = 4223883216048652800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62182 + ... + 82298.

Almost surely, 21453252080 is an apocalyptic number.

1453252080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1453252080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2634331392).

1453252080 is an abundant number, since it is smaller than the sum of its proper divisors (3815410704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1453252080 is a wasteful number, since it uses less digits than its factorization.

1453252080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20183 (or 20177 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1453252080 is about 38121.5435154454. The cubic root of 1453252080 is about 1132.6967413021.

The spelling of 1453252080 in words is "one billion, four hundred fifty-three million, two hundred fifty-two thousand, eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 43 48 56 60 70 80 84 86 105 112 120 129 140 168 172 210 215 240 258 280 301 336 344 420 430 516 560 602 645 688 840 860 903 1032 1204 1290 1505 1680 1720 1806 2064 2408 2580 3010 3440 3612 4515 4816 5160 6020 7224 9030 10320 12040 14448 18060 20117 24080 36120 40234 60351 72240 80468 100585 120702 140819 160936 201170 241404 281638 301755 321872 402340 422457 482808 563276 603510 704095 804680 844914 865031 965616 1126552 1207020 1408190 1609360 1689828 1730062 2112285 2253104 2414040 2595093 2816380 3379656 3460124 4224570 4325155 4828080 5190186 5632760 6055217 6759312 6920248 8449140 8650310 10380372 11265520 12110434 12975465 13840496 16898280 17300620 18165651 20760744 24220868 25950930 30276085 33796560 34601240 36331302 41521488 48441736 51901860 60552170 69202480 72662604 90828255 96883472 103803720 121104340 145325208 181656510 207607440 242208680 290650416 363313020 484417360 726626040 1453252080