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125932728 = 23323228139
BaseRepresentation
bin1111000000110…
…01010010111000
322202222001020010
413200121102320
5224214321403
620255101520
73056260545
oct740312270
9282861203
10125932728
11650a4139
12362118a0
132012340c
1412a21bcc
15b0c8603
hex78194b8

125932728 has 32 divisors (see below), whose sum is σ = 328521600. Its totient is φ = 40152288.

The previous prime is 125932721. The next prime is 125932769. The reversal of 125932728 is 827239521.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125932721) 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, 113518 + ... + 114621.

It is an arithmetic number, because the mean of its divisors is an integer number (10266300).

Almost surely, 2125932728 is an apocalyptic number.

It is an amenable number.

125932728 is an abundant number, since it is smaller than the sum of its proper divisors (202588872).

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

125932728 is a wasteful number, since it uses less digits than its factorization.

125932728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228171 (or 228167 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 125932728 is about 11221.9752272049. The cubic root of 125932728 is about 501.2405568253.

The spelling of 125932728 in words is "one hundred twenty-five million, nine hundred thirty-two thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 228139 456278 684417 912556 1368834 1825112 2737668 5247197 5475336 10494394 15741591 20988788 31483182 41977576 62966364 125932728