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130694593 = 4123313681
BaseRepresentation
bin1111100101000…
…11110111000001
3100002220222021111
413302203313001
5231424211333
620545123321
73144612541
oct762436701
9302828244
10130694593
1167856867
1237929541
13210cc9a3
1413501321
15b7194cd
hex7ca3dc1

130694593 has 8 divisors (see below), whose sum is σ = 134466696. Its totient is φ = 126950400.

The previous prime is 130694573. The next prime is 130694609. The reversal of 130694593 is 395496031.

It can be written as a sum of positive squares in 4 ways, for example, as 5992704 + 124701889 = 2448^2 + 11167^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130694593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130694573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2713 + ... + 16393.

It is an arithmetic number, because the mean of its divisors is an integer number (16808337).

Almost surely, 2130694593 is an apocalyptic number.

It is an amenable number.

130694593 is a deficient number, since it is larger than the sum of its proper divisors (3772103).

130694593 is a wasteful number, since it uses less digits than its factorization.

130694593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13955.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 130694593 is about 11432.1735903545. The cubic root of 130694593 is about 507.4803221438.

The spelling of 130694593 in words is "one hundred thirty million, six hundred ninety-four thousand, five hundred ninety-three".

Divisors: 1 41 233 9553 13681 560921 3187673 130694593