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1452680400 = 243521518017
BaseRepresentation
bin101011010010110…
…0010010011010000
310202020110210212210
41112211202103100
510433341233100
6400051552120
750666402553
oct12645422320
93666423783
101452680400
11686000316
123465bb640
131a1c64c02
14dad0669a
15877edc50
hex569624d0

1452680400 has 120 divisors (see below), whose sum is σ = 4684821184. Its totient is φ = 384768000.

The previous prime is 1452680381. The next prime is 1452680419. The reversal of 1452680400 is 40862541.

It is an interprime number because it is at equal distance from previous prime (1452680381) and next prime (1452680419).

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×14526804002 = 4220560689088320000, 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 (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177192 + ... + 185208.

Almost surely, 21452680400 is an apocalyptic number.

1452680400 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 1452680400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2342410592).

1452680400 is an abundant number, since it is smaller than the sum of its proper divisors (3232140784).

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

1452680400 is a wasteful number, since it uses less digits than its factorization.

1452680400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8189 (or 8178 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 1452680400 is about 38114.0446554810. The cubic root of 1452680400 is about 1132.5481951528.

The spelling of 1452680400 in words is "one billion, four hundred fifty-two million, six hundred eighty thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 151 200 240 300 302 400 453 600 604 755 906 1200 1208 1510 1812 2265 2416 3020 3624 3775 4530 6040 7248 7550 8017 9060 11325 12080 15100 16034 18120 22650 24051 30200 32068 36240 40085 45300 48102 60400 64136 80170 90600 96204 120255 128272 160340 181200 192408 200425 240510 320680 384816 400850 481020 601275 641360 801700 962040 1202550 1210567 1603400 1924080 2405100 2421134 3206800 3631701 4810200 4842268 6052835 7263402 9620400 9684536 12105670 14526804 18158505 19369072 24211340 29053608 30264175 36317010 48422680 58107216 60528350 72634020 90792525 96845360 121056700 145268040 181585050 242113400 290536080 363170100 484226800 726340200 1452680400