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125537480 = 23510928793
BaseRepresentation
bin1110111101110…
…00110011001000
322202012222001022
413132320303020
5224114144410
620242412012
73053023325
oct736706310
9282188038
10125537480
1164954192
1236061008
1320015543
141295bb4c
15b04b455
hex77b8cc8

125537480 has 32 divisors (see below), whose sum is σ = 285060600. Its totient is φ = 49752576.

The previous prime is 125537459. The next prime is 125537513. The reversal of 125537480 is 84735521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 98684356 + 26853124 = 9934^2 + 5182^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125537480.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10037 + ... + 18756.

Almost surely, 2125537480 is an apocalyptic number.

125537480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125537480 is an abundant number, since it is smaller than the sum of its proper divisors (159523120).

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

125537480 is a wasteful number, since it uses less digits than its factorization.

125537480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28913 (or 28909 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 125537480 is about 11204.3509405945. The cubic root of 125537480 is about 500.7156153009.

The spelling of 125537480 in words is "one hundred twenty-five million, five hundred thirty-seven thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 109 218 436 545 872 1090 2180 4360 28793 57586 115172 143965 230344 287930 575860 1151720 3138437 6276874 12553748 15692185 25107496 31384370 62768740 125537480