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1233507072 = 28371991153
BaseRepresentation
bin100100110000101…
…1101001100000000
310011222001122121010
41021201131030000
510011234211242
6322222200520
742365431350
oct11141351400
93158048533
101233507072
11583312136
122a5123140
13168726855
14b9b72b60
157345889c
hex4985d300

1233507072 has 144 divisors (see below), whose sum is σ = 3774041600. Its totient is φ = 350355456.

The previous prime is 1233507059. The next prime is 1233507103. The reversal of 1233507072 is 2707053321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1069248 + ... + 1070400.

Almost surely, 21233507072 is an apocalyptic number.

1233507072 is a gapful number since it is divisible by the number (12) 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 1233507072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1887020800).

1233507072 is an abundant number, since it is smaller than the sum of its proper divisors (2540534528).

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

1233507072 is a wasteful number, since it uses less digits than its factorization.

1233507072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378 (or 1364 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 1233507072 is about 35121.3193374053. The cubic root of 1233507072 is about 1072.4586290354.

The spelling of 1233507072 in words is "one billion, two hundred thirty-three million, five hundred seven thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 199 224 256 336 384 398 448 597 672 768 796 896 1153 1194 1344 1393 1592 1792 2306 2388 2688 2786 3184 3459 4179 4612 4776 5376 5572 6368 6918 8071 8358 9224 9552 11144 12736 13836 16142 16716 18448 19104 22288 24213 25472 27672 32284 33432 36896 38208 44576 48426 50944 55344 64568 66864 73792 76416 89152 96852 110688 129136 133728 147584 152832 178304 193704 221376 229447 258272 267456 295168 356608 387408 442752 458894 516544 534912 688341 774816 885504 917788 1033088 1069824 1376682 1549632 1606129 1835576 2066176 2753364 3099264 3212258 3671152 4818387 5506728 6198528 6424516 7342304 9636774 11013456 12849032 14684608 19273548 22026912 25698064 29369216 38547096 44053824 51396128 58738432 77094192 88107648 102792256 154188384 176215296 205584512 308376768 411169024 616753536 1233507072