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130583 = 671949
BaseRepresentation
bin11111111000010111
320122010102
4133320113
513134313
62444315
71052465
oct377027
9218112
10130583
118a122
126369b
134758b
1435835
1528a58
hex1fe17

130583 has 4 divisors (see below), whose sum is σ = 132600. Its totient is φ = 128568.

The previous prime is 130579. The next prime is 130589. The reversal of 130583 is 385031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 385031 = 419391.

It is a cyclic number.

It is not a de Polignac number, because 130583 - 22 = 130579 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 (130589) 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, 908 + ... + 1041.

It is an arithmetic number, because the mean of its divisors is an integer number (33150).

2130583 is an apocalyptic number.

130583 is a deficient number, since it is larger than the sum of its proper divisors (2017).

130583 is an equidigital number, since it uses as much as digits as its factorization.

130583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 130583 is about 361.3626986837. The cubic root of 130583 is about 50.7335844406.

The spelling of 130583 in words is "one hundred thirty thousand, five hundred eighty-three".

Divisors: 1 67 1949 130583