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56290 = 2513433
BaseRepresentation
bin1101101111100010
32212012211
431233202
53300130
61112334
7323053
oct155742
985184
1056290
1139323
12286aa
131c810
141672a
1511a2a
hexdbe2

56290 has 16 divisors (see below), whose sum is σ = 109368. Its totient is φ = 20736.

The previous prime is 56269. The next prime is 56299. The reversal of 56290 is 9265.

It can be written as a sum of positive squares in 4 ways, for example, as 22801 + 33489 = 151^2 + 183^2 .

It is a plaindrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (56299) 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, 87 + ... + 346.

256290 is an apocalyptic number.

56290 is a deficient number, since it is larger than the sum of its proper divisors (53078).

56290 is a wasteful number, since it uses less digits than its factorization.

56290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 56290 is about 237.2551369307. The cubic root of 56290 is about 38.3245516536.

The spelling of 56290 in words is "fifty-six thousand, two hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 433 866 2165 4330 5629 11258 28145 56290