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130937485 = 5717220063
BaseRepresentation
bin1111100110111…
…11001010001101
3100010101022110111
413303133022031
5232004444420
620554240021
73146643640
oct763371215
9303338414
10130937485
1167a022a8
1237a26011
1321186403
1413565a57
15b76645a
hex7cdf28d

130937485 has 16 divisors (see below), whose sum is σ = 190135296. Its totient is φ = 84503808.

The previous prime is 130937483. The next prime is 130937489. The reversal of 130937485 is 584739031.

It is a cyclic number.

It is not a de Polignac number, because 130937485 - 21 = 130937483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130937483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109437 + ... + 110626.

It is an arithmetic number, because the mean of its divisors is an integer number (11883456).

Almost surely, 2130937485 is an apocalyptic number.

It is an amenable number.

130937485 is a deficient number, since it is larger than the sum of its proper divisors (59197811).

130937485 is a wasteful number, since it uses less digits than its factorization.

130937485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220092.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 130937485 is about 11442.7918359114. The cubic root of 130937485 is about 507.7945066003.

The spelling of 130937485 in words is "one hundred thirty million, nine hundred thirty-seven thousand, four hundred eighty-five".

Divisors: 1 5 7 17 35 85 119 595 220063 1100315 1540441 3741071 7702205 18705355 26187497 130937485