Search a number
-
+
10125978 = 236725189
BaseRepresentation
bin100110101000…
…001010011010
3201001110020020
4212220022122
510043012403
61001011310
7152032542
oct46501232
921043206
1010125978
115796885
123483b36
132137005
1414b8322
15d50453
hex9a829a

10125978 has 16 divisors (see below), whose sum is σ = 20555040. Its totient is φ = 3324816.

The previous prime is 10125977. The next prime is 10125979. The reversal of 10125978 is 87952101.

It is an interprime number because it is at equal distance from previous prime (10125977) and next prime (10125979).

It is not an unprimeable number, because it can be changed into a prime (10125971) 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, 12193 + ... + 12996.

It is an arithmetic number, because the mean of its divisors is an integer number (1284690).

Almost surely, 210125978 is an apocalyptic number.

10125978 is an abundant number, since it is smaller than the sum of its proper divisors (10429062).

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

10125978 is a wasteful number, since it uses less digits than its factorization.

10125978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25261.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 10125978 is about 3182.1341895024. The cubic root of 10125978 is about 216.3444008531.

The spelling of 10125978 in words is "ten million, one hundred twenty-five thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 67 134 201 402 25189 50378 75567 151134 1687663 3375326 5062989 10125978