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124990992 = 2433741333
BaseRepresentation
bin1110111001100…
…11011000010000
322201012012102000
413130303120100
5223444202432
620222554000
73045256140
oct734633020
9281165360
10124990992
1164610645
1235a38900
131cb83889
1412858920
15ae8e57c
hex7733610

124990992 has 80 divisors (see below), whose sum is σ = 410033280. Its totient is φ = 35710848.

The previous prime is 124990963. The next prime is 124991011. The reversal of 124990992 is 299099421.

It is a super-2 number, since 2×1249909922 = 31245496162288128, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 17643 + ... + 23690.

It is an arithmetic number, because the mean of its divisors is an integer number (5125416).

Almost surely, 2124990992 is an apocalyptic number.

124990992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

124990992 is an abundant number, since it is smaller than the sum of its proper divisors (285042288).

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

124990992 is a wasteful number, since it uses less digits than its factorization.

124990992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41357 (or 41345 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 124990992 is about 11179.9370302341. The cubic root of 124990992 is about 499.9879890448.

The spelling of 124990992 in words is "one hundred twenty-four million, nine hundred ninety thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 84 108 112 126 144 168 189 216 252 336 378 432 504 756 1008 1512 3024 41333 82666 123999 165332 247998 289331 330664 371997 495996 578662 661328 743994 867993 991992 1115991 1157324 1487988 1735986 1983984 2231982 2314648 2603979 2975976 3471972 4463964 4629296 5207958 5951952 6943944 7811937 8927928 10415916 13887888 15623874 17855856 20831832 31247748 41663664 62495496 124990992