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125428996 = 227112831439
BaseRepresentation
bin1110111100111…
…10010100000100
322202000110020101
413132132110010
5224102211441
620240213444
73052062130
oct736362404
9282013211
10125428996
116488a730
123600a284
131cca8054
14129303c0
15b029231
hex779e504

125428996 has 48 divisors (see below), whose sum is σ = 274821120. Its totient is φ = 48661920.

The previous prime is 125428991. The next prime is 125429021. The reversal of 125428996 is 699824521.

It is not an unprimeable number, because it can be changed into a prime (125428991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86445 + ... + 87883.

It is an arithmetic number, because the mean of its divisors is an integer number (5725440).

Almost surely, 2125428996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125428996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137410560).

125428996 is an abundant number, since it is smaller than the sum of its proper divisors (149392124).

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

125428996 is a wasteful number, since it uses less digits than its factorization.

125428996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744 (or 1742 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The square root of 125428996 is about 11199.5087392260. The cubic root of 125428996 is about 500.5713415556.

The spelling of 125428996 in words is "one hundred twenty-five million, four hundred twenty-eight thousand, nine hundred ninety-six".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 283 308 566 1132 1439 1981 2878 3113 3962 5756 6226 7924 10073 12452 15829 20146 21791 31658 40292 43582 63316 87164 110803 221606 407237 443212 814474 1628948 2850659 4479607 5701318 8959214 11402636 17918428 31357249 62714498 125428996