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55186098 = 2311836153
BaseRepresentation
bin1101001010000…
…1001010110010
310211211202002120
43102201022302
5103111423343
65250455110
71240034262
oct322411262
9124752076
1055186098
1129173150
1216594496
13b582ac6
1474877a2
154ca1683
hex34a12b2

55186098 has 16 divisors (see below), whose sum is σ = 120406176. Its totient is φ = 16723040.

The previous prime is 55186093. The next prime is 55186111. The reversal of 55186098 is 89068155.

It is not an unprimeable number, because it can be changed into a prime (55186093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418011 + ... + 418142.

It is an arithmetic number, because the mean of its divisors is an integer number (7525386).

Almost surely, 255186098 is an apocalyptic number.

55186098 is an abundant number, since it is smaller than the sum of its proper divisors (65220078).

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

55186098 is a wasteful number, since it uses less digits than its factorization.

55186098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836169.

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 55186098 is about 7428.7346163394. The cubic root of 55186098 is about 380.7236855478.

The spelling of 55186098 in words is "fifty-five million, one hundred eighty-six thousand, ninety-eight".

Divisors: 1 2 3 6 11 22 33 66 836153 1672306 2508459 5016918 9197683 18395366 27593049 55186098