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10115950 = 2521379197
BaseRepresentation
bin100110100101…
…101101101110
3201000221110211
4212211231232
510042202300
61000453034
7151661365
oct46455556
921027424
1010115950
11578a299
12347a17a
132132590
1414b47dc
15d4c4ba
hex9a5b6e

10115950 has 48 divisors (see below), whose sum is σ = 20623680. Its totient is φ = 3669120.

The previous prime is 10115927. The next prime is 10115953. The reversal of 10115950 is 5951101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10115953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51252 + ... + 51448.

It is an arithmetic number, because the mean of its divisors is an integer number (429660).

Almost surely, 210115950 is an apocalyptic number.

10115950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10115950 is an abundant number, since it is smaller than the sum of its proper divisors (10507730).

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

10115950 is a wasteful number, since it uses less digits than its factorization.

10115950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 22.

The square root of 10115950 is about 3180.5581271217. The cubic root of 10115950 is about 216.2729602405.

The spelling of 10115950 in words is "ten million, one hundred fifteen thousand, nine hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 79 130 158 197 325 394 395 650 790 985 1027 1970 1975 2054 2561 3950 4925 5122 5135 9850 10270 12805 15563 25610 25675 31126 51350 64025 77815 128050 155630 202319 389075 404638 778150 1011595 2023190 5057975 10115950