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125415052 = 22717377121
BaseRepresentation
bin1110111100110…
…10111010001100
322201222202002221
413132122322030
5224101240202
620240025124
73052003360
oct736327214
9281882087
10125415052
1164880204
12360021a4
131cca18b9
14129292a0
15b025037
hex779ae8c

125415052 has 48 divisors (see below), whose sum is σ = 272801088. Its totient is φ = 49213440.

The previous prime is 125415049. The next prime is 125415071. The reversal of 125415052 is 250514521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14052 + ... + 21172.

It is an arithmetic number, because the mean of its divisors is an integer number (5683356).

Almost surely, 2125415052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125415052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136400544).

125415052 is an abundant number, since it is smaller than the sum of its proper divisors (147386036).

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

125415052 is a wasteful number, since it uses less digits than its factorization.

125415052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7186 (or 7184 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 125415052 is about 11198.8861946177. The cubic root of 125415052 is about 500.5527912850.

Adding to 125415052 its reverse (250514521), we get a palindrome (375929573).

The spelling of 125415052 in words is "one hundred twenty-five million, four hundred fifteen thousand, fifty-two".

Divisors: 1 2 4 7 14 17 28 34 37 68 74 119 148 238 259 476 518 629 1036 1258 2516 4403 7121 8806 14242 17612 28484 49847 99694 121057 199388 242114 263477 484228 526954 847399 1053908 1694798 1844339 3389596 3688678 4479109 7377356 8958218 17916436 31353763 62707526 125415052