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69942272 = 210167409
BaseRepresentation
bin1000010101100…
…11110000000000
311212121102202112
410022303300000
5120401123042
610535034452
71506333221
oct412636000
9155542675
1069942272
1136531734
121b50ba28
131164b47a
149409248
156218982
hex42b3c00

69942272 has 44 divisors (see below), whose sum is σ = 140997360. Its totient is φ = 34676736.

The previous prime is 69942263. The next prime is 69942277. The reversal of 69942272 is 27224996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69942277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170804 + ... + 171212.

Almost surely, 269942272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69942272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70498680).

69942272 is an abundant number, since it is smaller than the sum of its proper divisors (71055088).

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

69942272 is a wasteful number, since it uses less digits than its factorization.

69942272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 578 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 69942272 is about 8363.1496459169. The cubic root of 69942272 is about 412.0152066527.

The spelling of 69942272 in words is "sixty-nine million, nine hundred forty-two thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 167 256 334 409 512 668 818 1024 1336 1636 2672 3272 5344 6544 10688 13088 21376 26176 42752 52352 68303 85504 104704 136606 171008 209408 273212 418816 546424 1092848 2185696 4371392 8742784 17485568 34971136 69942272