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124645242 = 23199104393
BaseRepresentation
bin1110110110111…
…10111101111010
322200112122010110
413123132331322
5223402121432
620211325150
73042316131
oct733367572
9280478113
10124645242
11643a48a7
12358b07b6
131ca923a7
14127a8918
15ae21dcc
hex76def7a

124645242 has 16 divisors (see below), whose sum is σ = 250545600. Its totient is φ = 41339232.

The previous prime is 124645223. The next prime is 124645247. The reversal of 124645242 is 242546421.

It is not an unprimeable number, because it can be changed into a prime (124645247) 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, 51003 + ... + 53390.

It is an arithmetic number, because the mean of its divisors is an integer number (15659100).

Almost surely, 2124645242 is an apocalyptic number.

124645242 is an abundant number, since it is smaller than the sum of its proper divisors (125900358).

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

124645242 is a wasteful number, since it uses less digits than its factorization.

124645242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104597.

The product of its digits is 15360, while the sum is 30.

The square root of 124645242 is about 11164.4633547699. The cubic root of 124645242 is about 499.5265411483.

The spelling of 124645242 in words is "one hundred twenty-four million, six hundred forty-five thousand, two hundred forty-two".

Divisors: 1 2 3 6 199 398 597 1194 104393 208786 313179 626358 20774207 41548414 62322621 124645242