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56154643 = 296728901
BaseRepresentation
bin1101011000110…
…1101000010011
310220122221200121
43112031220103
5103333422033
65323331111
71251210106
oct326155023
9126587617
1056154643
11297748a6
1216980a97
13b8318cc
14765a73d
154de362d
hex358da13

56154643 has 8 divisors (see below), whose sum is σ = 58960080. Its totient is φ = 53407200.

The previous prime is 56154629. The next prime is 56154667. The reversal of 56154643 is 34645165.

56154643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56154643 - 25 = 56154611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56154599 and 56154608.

It is not an unprimeable number, because it can be changed into a prime (56194643) 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 7 ways as a sum of consecutive naturals, for example, 12508 + ... + 16393.

It is an arithmetic number, because the mean of its divisors is an integer number (7370010).

Almost surely, 256154643 is an apocalyptic number.

56154643 is a deficient number, since it is larger than the sum of its proper divisors (2805437).

56154643 is a wasteful number, since it uses less digits than its factorization.

56154643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28997.

The product of its digits is 43200, while the sum is 34.

The square root of 56154643 is about 7493.6401701710. The cubic root of 56154643 is about 382.9380812355.

The spelling of 56154643 in words is "fifty-six million, one hundred fifty-four thousand, six hundred forty-three".

Divisors: 1 29 67 1943 28901 838129 1936367 56154643