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256451152 = 24151179593
BaseRepresentation
bin11110100100100…
…10001001010000
3122212120001211211
433102102021100
51011122414102
641240345504
76232540666
oct1722221120
9585501754
10256451152
1112183a601
1271a75294
1341190b59
14260b8c36
15177aa7d7
hexf492250

256451152 has 40 divisors (see below), whose sum is σ = 503807040. Its totient is φ = 126451200.

The previous prime is 256451149. The next prime is 256451197. The reversal of 256451152 is 251154652.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 432168 + ... + 432760.

It is an arithmetic number, because the mean of its divisors is an integer number (12595176).

Almost surely, 2256451152 is an apocalyptic number.

It is an amenable number.

256451152 is a deficient number, since it is larger than the sum of its proper divisors (247355888).

256451152 is a wasteful number, since it uses less digits than its factorization.

256451152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 925 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 256451152 is about 16014.0922939766. The cubic root of 256451152 is about 635.3332014498. Note that the first 3 decimals are identical.

The spelling of 256451152 in words is "two hundred fifty-six million, four hundred fifty-one thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 151 179 302 358 593 604 716 1186 1208 1432 2372 2416 2864 4744 9488 27029 54058 89543 106147 108116 179086 212294 216232 358172 424588 432464 716344 849176 1432688 1698352 16028197 32056394 64112788 128225576 256451152