Search a number
-
+
125170930 = 2512517093
BaseRepresentation
bin1110111010111…
…11010011110010
322201112100020101
413131133103302
5224020432210
620230503014
73046635553
oct735372362
9281470211
10125170930
1164723855
1235b04a6a
131cc17751
14128a432a
15aec7a3a
hex775f4f2

125170930 has 8 divisors (see below), whose sum is σ = 225307692. Its totient is φ = 50068368.

The previous prime is 125170921. The next prime is 125170933. The reversal of 125170930 is 39071521.

It can be written as a sum of positive squares in 2 ways, for example, as 114340249 + 10830681 = 10693^2 + 3291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (125170933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6258537 + ... + 6258556.

Almost surely, 2125170930 is an apocalyptic number.

125170930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125170930 is a deficient number, since it is larger than the sum of its proper divisors (100136762).

125170930 is a wasteful number, since it uses less digits than its factorization.

125170930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12517100.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 125170930 is about 11187.9814980183. The cubic root of 125170930 is about 500.2278028626.

The spelling of 125170930 in words is "one hundred twenty-five million, one hundred seventy thousand, nine hundred thirty".

Divisors: 1 2 5 10 12517093 25034186 62585465 125170930