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125605228 = 2273831103
BaseRepresentation
bin1110111110010…
…01010101101100
322202100101222111
413133021111230
5224123331403
620244053404
73053425000
oct737112554
9282311874
10125605228
11649a0081
1236094264
132003a328
1412978700
15b06156d
hex77c956c

125605228 has 48 divisors (see below), whose sum is σ = 259660800. Its totient is φ = 53134032.

The previous prime is 125605223. The next prime is 125605237. The reversal of 125605228 is 822506521.

It is a self number, because there is not a number n which added to its sum of digits gives 125605228.

It is not an unprimeable number, because it can be changed into a prime (125605223) 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, 113325 + ... + 114427.

It is an arithmetic number, because the mean of its divisors is an integer number (5409600).

Almost surely, 2125605228 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 125605228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129830400).

125605228 is an abundant number, since it is smaller than the sum of its proper divisors (134055572).

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

125605228 is a wasteful number, since it uses less digits than its factorization.

125605228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 125605228 is about 11207.3738226223. The cubic root of 125605228 is about 500.8056717554.

The spelling of 125605228 in words is "one hundred twenty-five million, six hundred five thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 28 49 83 98 166 196 332 343 581 686 1103 1162 1372 2206 2324 4067 4412 7721 8134 15442 16268 28469 30884 54047 56938 91549 108094 113876 183098 216188 366196 378329 640843 756658 1281686 1513316 2563372 4485901 8971802 17943604 31401307 62802614 125605228