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56045371 = 291932599
BaseRepresentation
bin1101010111001…
…0111100111011
310220110101210111
43111302330323
5103321422441
65321125151
71250243404
oct325627473
9126411714
1056045371
11296aa798
12169297b7
13b7c3c55
14762c9ab
154dc1081
hex3572f3b

56045371 has 4 divisors (see below), whose sum is σ = 57978000. Its totient is φ = 54112744.

The previous prime is 56045369. The next prime is 56045377. The reversal of 56045371 is 17354065.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56045371 - 21 = 56045369 is a prime.

It is a super-2 number, since 2×560453712 = 6282167221055282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56045377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966271 + ... + 966328.

It is an arithmetic number, because the mean of its divisors is an integer number (14494500).

Almost surely, 256045371 is an apocalyptic number.

56045371 is a deficient number, since it is larger than the sum of its proper divisors (1932629).

56045371 is a wasteful number, since it uses less digits than its factorization.

56045371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932628.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 56045371 is about 7486.3456372251. The cubic root of 56045371 is about 382.6895319971.

The spelling of 56045371 in words is "fifty-six million, forty-five thousand, three hundred seventy-one".

Divisors: 1 29 1932599 56045371