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56946163 = 311836973
BaseRepresentation
bin1101100100111…
…0110111110011
310222011011110011
43121032313303
5104034234123
65352315351
71261014541
oct331166763
9128134404
1056946163
112a16554a
12170a2b57
13ba4ac71
1477c4d91
154eece0d
hex364edf3

56946163 has 4 divisors (see below), whose sum is σ = 58783168. Its totient is φ = 55109160.

The previous prime is 56946121. The next prime is 56946179. The reversal of 56946163 is 36164965.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36164965 = 57232993.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56946163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56946103) 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, 918456 + ... + 918517.

It is an arithmetic number, because the mean of its divisors is an integer number (14695792).

Almost surely, 256946163 is an apocalyptic number.

56946163 is a deficient number, since it is larger than the sum of its proper divisors (1837005).

56946163 is a wasteful number, since it uses less digits than its factorization.

56946163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837004.

The product of its digits is 116640, while the sum is 40.

The square root of 56946163 is about 7546.2681505496. The cubic root of 56946163 is about 384.7289101913.

The spelling of 56946163 in words is "fifty-six million, nine hundred forty-six thousand, one hundred sixty-three".

Divisors: 1 31 1836973 56946163