Search a number
-
+
123055134 = 23191079431
BaseRepresentation
bin1110101010110…
…10110000011110
322120112211220120
413111122300132
5223000231014
620113255410
73022644216
oct725326036
9276484816
10123055134
1163509164
1235264566
131c6566b7
14124b3246
15ac0aba9
hex755ac1e

123055134 has 16 divisors (see below), whose sum is σ = 259063680. Its totient is φ = 38859480.

The previous prime is 123055109. The next prime is 123055139. The reversal of 123055134 is 431550321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123055139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539602 + ... + 539829.

It is an arithmetic number, because the mean of its divisors is an integer number (16191480).

Almost surely, 2123055134 is an apocalyptic number.

123055134 is an abundant number, since it is smaller than the sum of its proper divisors (136008546).

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

123055134 is a wasteful number, since it uses less digits than its factorization.

123055134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079455.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 123055134 is about 11093.0218606113. The cubic root of 123055134 is about 497.3932789611.

The spelling of 123055134 in words is "one hundred twenty-three million, fifty-five thousand, one hundred thirty-four".

Divisors: 1 2 3 6 19 38 57 114 1079431 2158862 3238293 6476586 20509189 41018378 61527567 123055134