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125283860 = 22513481861
BaseRepresentation
bin1110111011110…
…10111000010100
322201202002010222
413131322320110
5224033040420
620233133512
73050616032
oct735727024
9281662128
10125283860
11647a0689
1235b5a298
131cc56c80
14128d3552
15aeeb225
hex777ae14

125283860 has 24 divisors (see below), whose sum is σ = 283334856. Its totient is φ = 46258560.

The previous prime is 125283793. The next prime is 125283869. The reversal of 125283860 is 68382521.

It can be written as a sum of positive squares in 4 ways, for example, as 28536964 + 96746896 = 5342^2 + 9836^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125283860.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125283869) 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, 240671 + ... + 241190.

It is an arithmetic number, because the mean of its divisors is an integer number (11805619).

Almost surely, 2125283860 is an apocalyptic number.

125283860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125283860 is an abundant number, since it is smaller than the sum of its proper divisors (158050996).

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

125283860 is a wasteful number, since it uses less digits than its factorization.

125283860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481883 (or 481881 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 125283860 is about 11193.0272938111. The cubic root of 125283860 is about 500.3781938667.

The spelling of 125283860 in words is "one hundred twenty-five million, two hundred eighty-three thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 481861 963722 1927444 2409305 4818610 6264193 9637220 12528386 25056772 31320965 62641930 125283860