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56145265 = 5111020823
BaseRepresentation
bin1101011000101…
…1010101110001
310220122110211021
43112023111301
5103333122030
65323215441
71251140551
oct326132561
9126573737
1056145265
1129768850
1216977581
13b82a567
147657161
154de097a
hex358b571

56145265 has 8 divisors (see below), whose sum is σ = 73499328. Its totient is φ = 40832880.

The previous prime is 56145253. The next prime is 56145269. The reversal of 56145265 is 56254165.

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

It is a de Polignac number, because none of the positive numbers 2k-56145265 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56145265.

It is not an unprimeable number, because it can be changed into a prime (56145269) 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, 510357 + ... + 510466.

It is an arithmetic number, because the mean of its divisors is an integer number (9187416).

Almost surely, 256145265 is an apocalyptic number.

56145265 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56145265 is a deficient number, since it is larger than the sum of its proper divisors (17354063).

56145265 is a wasteful number, since it uses less digits than its factorization.

56145265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020839.

The product of its digits is 36000, while the sum is 34.

The square root of 56145265 is about 7493.0144134387. The cubic root of 56145265 is about 382.9167627652.

Subtracting 56145265 from its reverse (56254165), we obtain a square (108900 = 3302).

The spelling of 56145265 in words is "fifty-six million, one hundred forty-five thousand, two hundred sixty-five".

Divisors: 1 5 11 55 1020823 5104115 11229053 56145265