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125938 = 262969
BaseRepresentation
bin11110101111110010
320101202101
4132233302
513012223
62411014
71033111
oct365762
9211671
10125938
118668a
1260a6a
1345427
1433c78
15274ad
hex1ebf2

125938 has 4 divisors (see below), whose sum is σ = 188910. Its totient is φ = 62968.

The previous prime is 125933. The next prime is 125941. The reversal of 125938 is 839521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 839521 = 2928949.

It can be written as a sum of positive squares in only one way, i.e., 104329 + 21609 = 323^2 + 147^2 .

It is not an unprimeable number, because it can be changed into a prime (125933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31483 + ... + 31486.

2125938 is an apocalyptic number.

125938 is a deficient number, since it is larger than the sum of its proper divisors (62972).

125938 is an equidigital number, since it uses as much as digits as its factorization.

125938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62971.

The product of its digits is 2160, while the sum is 28.

The square root of 125938 is about 354.8774436337. The cubic root of 125938 is about 50.1247551309.

The spelling of 125938 in words is "one hundred twenty-five thousand, nine hundred thirty-eight".

Divisors: 1 2 62969 125938