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56048091 = 3111698427
BaseRepresentation
bin1101010111001…
…1100111011011
310220110112112020
43111303213123
5103322014331
65321145523
71250254341
oct325634733
9126415466
1056048091
1129701840
121692b2a3
13b7c5268
14762d991
154dc1c96
hex35739db

56048091 has 8 divisors (see below), whose sum is σ = 81524544. Its totient is φ = 33968520.

The previous prime is 56048087. The next prime is 56048101. The reversal of 56048091 is 19084065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56048091 - 22 = 56048087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1698427 = 56048091 / (5 + 6 + 0 + 4 + 8 + 0 + 9 + 1).

It is not an unprimeable number, because it can be changed into a prime (56048011) 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 7 ways as a sum of consecutive naturals, for example, 849181 + ... + 849246.

It is an arithmetic number, because the mean of its divisors is an integer number (10190568).

Almost surely, 256048091 is an apocalyptic number.

56048091 is a deficient number, since it is larger than the sum of its proper divisors (25476453).

56048091 is a wasteful number, since it uses less digits than its factorization.

56048091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698441.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 56048091 is about 7486.5272990887. The cubic root of 56048091 is about 382.6957228069.

It can be divided in two parts, 5604 and 8091, that added together give a triangular number (13695 = T165).

The spelling of 56048091 in words is "fifty-six million, forty-eight thousand, ninety-one".

Divisors: 1 3 11 33 1698427 5095281 18682697 56048091