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130732091 = 7173313319
BaseRepresentation
bin1111100101011…
…01000000111011
3100002222212201022
413302231000323
5231431411331
620550013055
73145130060
oct762550073
9302885638
10130732091
1167881a56
123794718b
1321113a89
1413510c67
15b72567b
hex7cad03b

130732091 has 16 divisors (see below), whose sum is σ = 158722560. Its totient is φ = 105114240.

The previous prime is 130732081. The next prime is 130732097. The reversal of 130732091 is 190237031.

It is a de Polignac number, because none of the positive numbers 2k-130732091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130732091.

It is not an unprimeable number, because it can be changed into a prime (130732097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37730 + ... + 41048.

It is an arithmetic number, because the mean of its divisors is an integer number (9920160).

Almost surely, 2130732091 is an apocalyptic number.

130732091 is a deficient number, since it is larger than the sum of its proper divisors (27990469).

130732091 is a wasteful number, since it uses less digits than its factorization.

130732091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 130732091 is about 11433.8134933188. The cubic root of 130732091 is about 507.5288517655.

The spelling of 130732091 in words is "one hundred thirty million, seven hundred thirty-two thousand, ninety-one".

Divisors: 1 7 17 119 331 2317 3319 5627 23233 39389 56423 394961 1098589 7690123 18676013 130732091