Search a number
-
+
130892593 = 1310068661
BaseRepresentation
bin1111100110101…
…00001100110001
3100010022000212211
413303110030301
5232002030333
620553252121
73146366026
oct763241461
9303260784
10130892593
11679815a7
1237a04041
132116bb50
141355354d
15b757ecd
hex7cd4331

130892593 has 4 divisors (see below), whose sum is σ = 140961268. Its totient is φ = 120823920.

The previous prime is 130892581. The next prime is 130892599. The reversal of 130892593 is 395298031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40870449 + 90022144 = 6393^2 + 9488^2 .

It is a cyclic number.

It is not a de Polignac number, because 130892593 - 221 = 128795441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130892599) 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, 5034318 + ... + 5034343.

It is an arithmetic number, because the mean of its divisors is an integer number (35240317).

Almost surely, 2130892593 is an apocalyptic number.

130892593 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

130892593 is a deficient number, since it is larger than the sum of its proper divisors (10068675).

130892593 is a wasteful number, since it uses less digits than its factorization.

130892593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10068674.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 130892593 is about 11440.8300835210. The cubic root of 130892593 is about 507.7364674104.

The spelling of 130892593 in words is "one hundred thirty million, eight hundred ninety-two thousand, five hundred ninety-three".

Divisors: 1 13 10068661 130892593