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125713830 = 23511380951
BaseRepresentation
bin1110111111000…
…11110110100110
322202112220221210
413133203312212
5224140320310
620250252250
73054356424
oct737436646
9282486853
10125713830
1164a64730
1236127086
13200778a8
14129a6114
15b083820
hex77e3da6

125713830 has 32 divisors (see below), whose sum is σ = 329142528. Its totient is φ = 30476000.

The previous prime is 125713829. The next prime is 125713849. The reversal of 125713830 is 38317521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

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, 190146 + ... + 190805.

It is an arithmetic number, because the mean of its divisors is an integer number (10285704).

Almost surely, 2125713830 is an apocalyptic number.

125713830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125713830 is an abundant number, since it is smaller than the sum of its proper divisors (203428698).

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

125713830 is a wasteful number, since it uses less digits than its factorization.

125713830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380972.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 125713830 is about 11212.2178894276. The cubic root of 125713830 is about 500.9499673145.

The spelling of 125713830 in words is "one hundred twenty-five million, seven hundred thirteen thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 380951 761902 1142853 1904755 2285706 3809510 4190461 5714265 8380922 11428530 12571383 20952305 25142766 41904610 62856915 125713830