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125913072 = 24331372287
BaseRepresentation
bin1111000000101…
…00011111110000
322202221001021010
413200110133300
5224213204242
620254430520
73056146335
oct740243760
9282831233
10125913072
116509039a
1236202440
132011749c
1412a1898c
15b0c289c
hex78147f0

125913072 has 80 divisors (see below), whose sum is σ = 344993792. Its totient is φ = 39502080.

The previous prime is 125913049. The next prime is 125913077. The reversal of 125913072 is 270319521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125913077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53913 + ... + 56199.

Almost surely, 2125913072 is an apocalyptic number.

125913072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125913072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172496896).

125913072 is an abundant number, since it is smaller than the sum of its proper divisors (219080720).

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

125913072 is a wasteful number, since it uses less digits than its factorization.

125913072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366 (or 2360 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 125913072 is about 11221.0994113768. The cubic root of 125913072 is about 501.2144770360.

The spelling of 125913072 in words is "one hundred twenty-five million, nine hundred thirteen thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 31 37 48 62 74 93 111 124 148 186 222 248 296 372 444 496 592 744 888 1147 1488 1776 2287 2294 3441 4574 4588 6861 6882 9148 9176 13722 13764 18296 18352 27444 27528 36592 54888 55056 70897 84619 109776 141794 169238 212691 253857 283588 338476 425382 507714 567176 676952 850764 1015428 1134352 1353904 1701528 2030856 2623189 3403056 4061712 5246378 7869567 10492756 15739134 20985512 31478268 41971024 62956536 125913072