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56494159 = 237723767
BaseRepresentation
bin1101011110000…
…0100001001111
310221022012102021
43113200201033
5103430303114
65334511011
71254123001
oct327404117
9127265367
1056494159
1129986997
1216b05467
13b9202c7
147708371
154e5e024
hex35e084f

56494159 has 4 divisors (see below), whose sum is σ = 56520304. Its totient is φ = 56468016.

The previous prime is 56494157. The next prime is 56494177. The reversal of 56494159 is 95149465.

56494159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56494159 - 21 = 56494157 is a prime.

It is a super-2 number, since 2×564941592 = 6383180002234562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56494157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9507 + ... + 14260.

It is an arithmetic number, because the mean of its divisors is an integer number (14130076).

Almost surely, 256494159 is an apocalyptic number.

56494159 is the 4754-th heptagonal number.

56494159 is a deficient number, since it is larger than the sum of its proper divisors (26145).

56494159 is a wasteful number, since it uses less digits than its factorization.

56494159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26144.

The product of its digits is 194400, while the sum is 43.

The square root of 56494159 is about 7516.2596416037. The cubic root of 56494159 is about 383.7082903735.

The spelling of 56494159 in words is "fifty-six million, four hundred ninety-four thousand, one hundred fifty-nine".

Divisors: 1 2377 23767 56494159