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56001937 is a prime number
BaseRepresentation
bin1101010110100…
…0010110010001
310220101012012211
43111220112101
5103314030222
65320152121
71250002645
oct325502621
9126335184
1056001937
11296800a2
1216908641
13b7aa254
14761ac25
154db3277
hex3568591

56001937 has 2 divisors, whose sum is σ = 56001938. Its totient is φ = 56001936.

The previous prime is 56001931. The next prime is 56001971. The reversal of 56001937 is 73910065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46022656 + 9979281 = 6784^2 + 3159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56001937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56001899 and 56001908.

It is not a weakly prime, because it can be changed into another prime (56001931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28000968 + 28000969.

It is an arithmetic number, because the mean of its divisors is an integer number (28000969).

Almost surely, 256001937 is an apocalyptic number.

It is an amenable number.

56001937 is a deficient number, since it is larger than the sum of its proper divisors (1).

56001937 is an equidigital number, since it uses as much as digits as its factorization.

56001937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 56001937 is about 7483.4441936852. Note that the first 3 decimals coincide. The cubic root of 56001937 is about 382.5906476318.

It can be divided in two parts, 560019 and 37, that multiplied together give a triangular number (20720703 = T6437).

The spelling of 56001937 in words is "fifty-six million, one thousand, nine hundred thirty-seven".