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130984975 = 52113311439
BaseRepresentation
bin1111100111010…
…10110000001111
3100010110201121101
413303222300033
5232013004400
620555243531
73150232252
oct763526017
9303421541
10130984975
1167a34a50
1237a495a7
13211a1c04
1413579099
15b77556a
hex7ceac0f

130984975 has 24 divisors (see below), whose sum is σ = 177845760. Its totient is φ = 94908000.

The previous prime is 130984969. The next prime is 130984991. The reversal of 130984975 is 579489031.

It is a happy number.

It is not a de Polignac number, because 130984975 - 217 = 130853903 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90306 + ... + 91744.

It is an arithmetic number, because the mean of its divisors is an integer number (7410240).

Almost surely, 2130984975 is an apocalyptic number.

130984975 is a deficient number, since it is larger than the sum of its proper divisors (46860785).

130984975 is a wasteful number, since it uses less digits than its factorization.

130984975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791 (or 1786 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 130984975 is about 11444.8667532654. The cubic root of 130984975 is about 507.8558902096.

The spelling of 130984975 in words is "one hundred thirty million, nine hundred eighty-four thousand, nine hundred seventy-five".

Divisors: 1 5 11 25 55 275 331 1439 1655 3641 7195 8275 15829 18205 35975 79145 91025 395725 476309 2381545 5239399 11907725 26196995 130984975