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125283040 = 255783019
BaseRepresentation
bin1110111011110…
…10101011100000
322201202001000121
413131322223200
5224033024130
620233130024
73050613451
oct735725340
9281661017
10125283040
11647a0003
1235b59914
131cc5679c
14128d3128
15aeead7a
hex777aae0

125283040 has 24 divisors (see below), whose sum is σ = 295981560. Its totient is φ = 50113152.

The previous prime is 125283023. The next prime is 125283079. The reversal of 125283040 is 40382521.

It is a super-2 number, since 2×1252830402 = 31391680223283200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125282996 and 125283014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391350 + ... + 391669.

It is an arithmetic number, because the mean of its divisors is an integer number (12332565).

Almost surely, 2125283040 is an apocalyptic number.

125283040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125283040 is an abundant number, since it is smaller than the sum of its proper divisors (170698520).

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

125283040 is an equidigital number, since it uses as much as digits as its factorization.

125283040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783034 (or 783026 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 125283040 is about 11192.9906638038. The cubic root of 125283040 is about 500.3771021831.

The spelling of 125283040 in words is "one hundred twenty-five million, two hundred eighty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 783019 1566038 3132076 3915095 6264152 7830190 12528304 15660380 25056608 31320760 62641520 125283040