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125716 = 2253593
BaseRepresentation
bin11110101100010100
320101110011
4132230110
513010331
62410004
71032343
oct365424
9211404
10125716
11864a8
1260904
13452b6
1433b5a
15273b1
hex1eb14

125716 has 12 divisors (see below), whose sum is σ = 224532. Its totient is φ = 61568.

The previous prime is 125711. The next prime is 125717. The reversal of 125716 is 617521.

125716 = T288 + T289 + T290.

It can be written as a sum of positive squares in 2 ways, for example, as 84100 + 41616 = 290^2 + 204^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85 + ... + 508.

It is an arithmetic number, because the mean of its divisors is an integer number (18711).

2125716 is an apocalyptic number.

125716 is the 290-th centered triangular number.

It is an amenable number.

125716 is a deficient number, since it is larger than the sum of its proper divisors (98816).

125716 is a wasteful number, since it uses less digits than its factorization.

125716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650 (or 648 counting only the distinct ones).

The product of its digits is 420, while the sum is 22.

The square root of 125716 is about 354.5645216318. The cubic root of 125716 is about 50.0952849668.

It can be divided in two parts, 125 and 716, that added together give a square (841 = 292).

The spelling of 125716 in words is "one hundred twenty-five thousand, seven hundred sixteen".

Divisors: 1 2 4 53 106 212 593 1186 2372 31429 62858 125716