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56325638 = 228162819
BaseRepresentation
bin1101011011011…
…1011000000110
310220222122020202
43112313120012
5103404410023
65331130502
71252521455
oct326673006
9126878222
1056325638
1129881316
1216a43a32
13b8916a5
1476a2b9c
154e29128
hex35b7606

56325638 has 4 divisors (see below), whose sum is σ = 84488460. Its totient is φ = 28162818.

The previous prime is 56325637. The next prime is 56325673. The reversal of 56325638 is 83652365.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83652365 = 516730473.

It is a super-2 number, since 2×563256382 = 6345154992214088, which contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56325637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14081408 + ... + 14081411.

It is an arithmetic number, because the mean of its divisors is an integer number (21122115).

Almost surely, 256325638 is an apocalyptic number.

56325638 is a deficient number, since it is larger than the sum of its proper divisors (28162822).

56325638 is a wasteful number, since it uses less digits than its factorization.

56325638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28162821.

The product of its digits is 129600, while the sum is 38.

The square root of 56325638 is about 7505.0408393293. The cubic root of 56325638 is about 383.3263788698.

The spelling of 56325638 in words is "fifty-six million, three hundred twenty-five thousand, six hundred thirty-eight".

Divisors: 1 2 28162819 56325638