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56523145 = 571614947
BaseRepresentation
bin1101011110011…
…1100110001001
310221100200011211
43113213212021
5103432220040
65335253121
71254303340
oct327474611
9127320154
1056523145
11299a6748
1216b1a1a1
13b930563
147714b57
154e678ea
hex35e7989

56523145 has 8 divisors (see below), whose sum is σ = 77517504. Its totient is φ = 38758704.

The previous prime is 56523101. The next prime is 56523163. The reversal of 56523145 is 54132565.

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

It is a cyclic number.

It is not a de Polignac number, because 56523145 - 27 = 56523017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807439 + ... + 807508.

It is an arithmetic number, because the mean of its divisors is an integer number (9689688).

Almost surely, 256523145 is an apocalyptic number.

It is an amenable number.

56523145 is a deficient number, since it is larger than the sum of its proper divisors (20994359).

56523145 is a wasteful number, since it uses less digits than its factorization.

56523145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614959.

The product of its digits is 18000, while the sum is 31.

The square root of 56523145 is about 7518.1876140464. The cubic root of 56523145 is about 383.7739034508.

The spelling of 56523145 in words is "fifty-six million, five hundred twenty-three thousand, one hundred forty-five".

Divisors: 1 5 7 35 1614947 8074735 11304629 56523145