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125630 = 2517739
BaseRepresentation
bin11110101010111110
320101022222
4132222332
513010010
62405342
71032161
oct365276
9211288
10125630
118642a
1260852
134524b
1433ad8
1527355
hex1eabe

125630 has 16 divisors (see below), whose sum is σ = 239760. Its totient is φ = 47232.

The previous prime is 125627. The next prime is 125639. The reversal of 125630 is 36521.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125599 and 125608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125639) 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, 200 + ... + 539.

It is an arithmetic number, because the mean of its divisors is an integer number (14985).

2125630 is an apocalyptic number.

125630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125630 is a deficient number, since it is larger than the sum of its proper divisors (114130).

125630 is a wasteful number, since it uses less digits than its factorization.

125630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 125630 is about 354.4432253549. The cubic root of 125630 is about 50.0838592738.

The spelling of 125630 in words is "one hundred twenty-five thousand, six hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 739 1478 3695 7390 12563 25126 62815 125630