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55012486 = 2191579221
BaseRepresentation
bin1101000111011…
…0110010000110
310211111220221111
43101312302012
5103040344421
65243035234
71235412154
oct321666206
9124456844
1055012486
1129064771
121650bb1a
13b521a89
1474403d4
154c69ee1
hex3476c86

55012486 has 16 divisors (see below), whose sum is σ = 87424560. Its totient is φ = 25889760.

The previous prime is 55012453. The next prime is 55012511. The reversal of 55012486 is 68421055.

55012486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 1356 + ... + 10576.

It is an arithmetic number, because the mean of its divisors is an integer number (5464035).

Almost surely, 255012486 is an apocalyptic number.

55012486 is a deficient number, since it is larger than the sum of its proper divisors (32412074).

55012486 is a wasteful number, since it uses less digits than its factorization.

55012486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9399.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 55012486 is about 7417.0402452730. The cubic root of 55012486 is about 380.3240218771.

The spelling of 55012486 in words is "fifty-five million, twelve thousand, four hundred eighty-six".

Divisors: 1 2 19 38 157 314 2983 5966 9221 18442 175199 350398 1447697 2895394 27506243 55012486