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255605323 = 3124134213
BaseRepresentation
bin11110011110000…
…11101001001011
3122210222002120211
433033003221023
51010413332243
641210301551
76222416011
oct1717035113
9583862524
10255605323
11121312076
12717278b7
1340c55b6c
1425d388b1
151768ed9d
hexf3c3a4b

255605323 has 8 divisors (see below), whose sum is σ = 264953216. Its totient is φ = 246326400.

The previous prime is 255605321. The next prime is 255605341. The reversal of 255605323 is 323506552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255605323 - 21 = 255605321 is a prime.

It is a super-2 number, since 2×2556053232 = 130668162291868658, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255605321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9636 + ... + 24577.

It is an arithmetic number, because the mean of its divisors is an integer number (33119152).

Almost surely, 2255605323 is an apocalyptic number.

255605323 is a deficient number, since it is larger than the sum of its proper divisors (9347893).

255605323 is a wasteful number, since it uses less digits than its factorization.

255605323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34485.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 255605323 is about 15987.6615863609. The cubic root of 255605323 is about 634.6339453048.

The spelling of 255605323 in words is "two hundred fifty-five million, six hundred five thousand, three hundred twenty-three".

Divisors: 1 31 241 7471 34213 1060603 8245333 255605323