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130869593 = 701318661
BaseRepresentation
bin1111100110011…
…10100101011001
3100010020212022222
413303032211121
5232000311333
620552553425
73146242001
oct763164531
9303225288
10130869593
1167966298
12379b2875
132116153a
1413549001
15b751298
hex7cce959

130869593 has 4 divisors (see below), whose sum is σ = 130895268. Its totient is φ = 130843920.

The previous prime is 130869577. The next prime is 130869601. The reversal of 130869593 is 395968031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 395968031 = 894449079.

It can be written as a sum of positive squares in 2 ways, for example, as 58415449 + 72454144 = 7643^2 + 8512^2 .

It is a cyclic number.

It is not a de Polignac number, because 130869593 - 24 = 130869577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130869533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2318 + ... + 16343.

It is an arithmetic number, because the mean of its divisors is an integer number (32723817).

Almost surely, 2130869593 is an apocalyptic number.

It is an amenable number.

130869593 is a deficient number, since it is larger than the sum of its proper divisors (25675).

130869593 is an equidigital number, since it uses as much as digits as its factorization.

130869593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25674.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 130869593 is about 11439.8248675406. The cubic root of 130869593 is about 507.7067264282.

The spelling of 130869593 in words is "one hundred thirty million, eight hundred sixty-nine thousand, five hundred ninety-three".

Divisors: 1 7013 18661 130869593