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55235070 = 23251155793
BaseRepresentation
bin1101001010110…
…1000111111110
310211221020021100
43102231013332
5103120010240
65251513530
71240330122
oct322550776
9124836240
1055235070
11291a6a20
12165b88a6
13b59c197
14749b582
154cb0e30
hex34ad1fe

55235070 has 48 divisors (see below), whose sum is σ = 156669552. Its totient is φ = 13390080.

The previous prime is 55235069. The next prime is 55235101. The reversal of 55235070 is 7053255.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26907 + ... + 28886.

It is an arithmetic number, because the mean of its divisors is an integer number (3263949).

Almost surely, 255235070 is an apocalyptic number.

55235070 is an abundant number, since it is smaller than the sum of its proper divisors (101434482).

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

55235070 is a wasteful number, since it uses less digits than its factorization.

55235070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55817 (or 55814 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 55235070 is about 7432.0300053216. The cubic root of 55235070 is about 380.8362699885.

The spelling of 55235070 in words is "fifty-five million, two hundred thirty-five thousand, seventy".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 55793 111586 167379 278965 334758 502137 557930 613723 836895 1004274 1227446 1673790 1841169 2510685 3068615 3682338 5021370 5523507 6137230 9205845 11047014 18411690 27617535 55235070