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55656230 = 2576711867
BaseRepresentation
bin1101010001001…
…1111100100110
310212201121222212
43110103330212
5103221444410
65304523422
71244033030
oct324237446
9125647885
1055656230
1129464393
1216780572
13b6b8aa6
14756ac50
154d45b05
hex3513f26

55656230 has 32 divisors (see below), whose sum is σ = 116211456. Its totient is φ = 18795744.

The previous prime is 55656221. The next prime is 55656247. The reversal of 55656230 is 3265655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1244 + ... + 10623.

It is an arithmetic number, because the mean of its divisors is an integer number (3631608).

Almost surely, 255656230 is an apocalyptic number.

55656230 is an abundant number, since it is smaller than the sum of its proper divisors (60555226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55656230 is a wasteful number, since it uses less digits than its factorization.

55656230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11948.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 55656230 is about 7460.3103152617. The cubic root of 55656230 is about 381.8017620404.

The spelling of 55656230 in words is "fifty-five million, six hundred fifty-six thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 67 70 134 335 469 670 938 2345 4690 11867 23734 59335 83069 118670 166138 415345 795089 830690 1590178 3975445 5565623 7950890 11131246 27828115 55656230