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56165234 = 228082617
BaseRepresentation
bin1101011001000…
…0001101110010
310220200111012212
43112100031302
5103334241414
65323452122
71251253016
oct326201562
9126614185
1056165234
1129781854
1216987042
13b836688
147660546
154de683e
hex3590372

56165234 has 4 divisors (see below), whose sum is σ = 84247854. Its totient is φ = 28082616.

The previous prime is 56165233. The next prime is 56165237. The reversal of 56165234 is 43256165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43256165 = 58651233.

It can be written as a sum of positive squares in only one way, i.e., 34774609 + 21390625 = 5897^2 + 4625^2 .

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56165234.

It is not an unprimeable number, because it can be changed into a prime (56165233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14041307 + ... + 14041310.

Almost surely, 256165234 is an apocalyptic number.

56165234 is a deficient number, since it is larger than the sum of its proper divisors (28082620).

56165234 is a wasteful number, since it uses less digits than its factorization.

56165234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28082619.

The product of its digits is 21600, while the sum is 32.

The square root of 56165234 is about 7494.3468027574. The cubic root of 56165234 is about 382.9621542955.

The spelling of 56165234 in words is "fifty-six million, one hundred sixty-five thousand, two hundred thirty-four".

Divisors: 1 2 28082617 56165234