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56132290 = 255999371
BaseRepresentation
bin1101011000100…
…0001011000010
310220121211000201
43112020023002
5103332213130
65323035414
71251054664
oct326101302
9126554021
1056132290
112975a025
121696bb6a
13b824696
147652534
154ddbbca
hex35882c2

56132290 has 16 divisors (see below), whose sum is σ = 101217600. Its totient is φ = 22413040.

The previous prime is 56132281. The next prime is 56132299. The reversal of 56132290 is 9223165.

It is an interprime number because it is at equal distance from previous prime (56132281) and next prime (56132299).

It is not an unprimeable number, because it can be changed into a prime (56132299) 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, 1305 + ... + 10675.

It is an arithmetic number, because the mean of its divisors is an integer number (6326100).

Almost surely, 256132290 is an apocalyptic number.

56132290 is a deficient number, since it is larger than the sum of its proper divisors (45085310).

56132290 is a wasteful number, since it uses less digits than its factorization.

56132290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9977.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 56132290 is about 7492.1485569895. The cubic root of 56132290 is about 382.8872635262.

The spelling of 56132290 in words is "fifty-six million, one hundred thirty-two thousand, two hundred ninety".

Divisors: 1 2 5 10 599 1198 2995 5990 9371 18742 46855 93710 5613229 11226458 28066145 56132290