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130189825 = 5217306329
BaseRepresentation
bin1111100001010…
…00101000000001
3100001222022212101
413300220220001
5231312033300
620530230401
73140411113
oct760505001
9301868771
10130189825
11675415a7
1237725401
1320c83ccc
141340d3b3
15b669b6a
hex7c28a01

130189825 has 12 divisors (see below), whose sum is σ = 170932140. Its totient is φ = 98024960.

The previous prime is 130189819. The next prime is 130189841. The reversal of 130189825 is 528981031.

It can be written as a sum of positive squares in 6 ways, for example, as 6713281 + 123476544 = 2591^2 + 11112^2 .

It is not a de Polignac number, because 130189825 - 215 = 130157057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152740 + ... + 153589.

It is an arithmetic number, because the mean of its divisors is an integer number (14244345).

Almost surely, 2130189825 is an apocalyptic number.

It is an amenable number.

130189825 is a deficient number, since it is larger than the sum of its proper divisors (40742315).

130189825 is a wasteful number, since it uses less digits than its factorization.

130189825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306356 (or 306351 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 130189825 is about 11410.0755913359. The cubic root of 130189825 is about 506.8261499231.

The spelling of 130189825 in words is "one hundred thirty million, one hundred eighty-nine thousand, eight hundred twenty-five".

Divisors: 1 5 17 25 85 425 306329 1531645 5207593 7658225 26037965 130189825