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125430436 = 2253591653
BaseRepresentation
bin1110111100111…
…10101010100100
322202000112012201
413132132222210
5224102233221
620240224244
73052066255
oct736365244
9282015181
10125430436
116489081a
123600b084
131cca88c1
1412930b2c
15b029891
hex779eaa4

125430436 has 12 divisors (see below), whose sum is σ = 223645212. Its totient is φ = 61531808.

The previous prime is 125430397. The next prime is 125430443. The reversal of 125430436 is 634034521.

It can be written as a sum of positive squares in 2 ways, for example, as 110376036 + 15054400 = 10506^2 + 3880^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295615 + ... + 296038.

It is an arithmetic number, because the mean of its divisors is an integer number (18637101).

Almost surely, 2125430436 is an apocalyptic number.

It is an amenable number.

125430436 is a deficient number, since it is larger than the sum of its proper divisors (98214776).

125430436 is a wasteful number, since it uses less digits than its factorization.

125430436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591710 (or 591708 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 125430436 is about 11199.5730275756. The cubic root of 125430436 is about 500.5732571679.

Adding to 125430436 its reverse (634034521), we get a palindrome (759464957).

The spelling of 125430436 in words is "one hundred twenty-five million, four hundred thirty thousand, four hundred thirty-six".

Divisors: 1 2 4 53 106 212 591653 1183306 2366612 31357609 62715218 125430436