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130683 = 373127
BaseRepresentation
bin11111111001111011
320122021010
4133321323
513140213
62445003
71053000
oct377173
9218233
10130683
118a203
1263763
1347637
14358a7
1528ac3
hex1fe7b

130683 has 16 divisors (see below), whose sum is σ = 204800. Its totient is φ = 74088.

The previous prime is 130681. The next prime is 130687. The reversal of 130683 is 386031.

It is not a de Polignac number, because 130683 - 21 = 130681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is the 362-nd Hogben number.

It is a Duffinian number.

130683 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (130681) by changing a digit.

It is a nontrivial repunit in base 361.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966 + ... + 1092.

It is an arithmetic number, because the mean of its divisors is an integer number (12800).

2130683 is an apocalyptic number.

130683 is a deficient number, since it is larger than the sum of its proper divisors (74117).

130683 is an equidigital number, since it uses as much as digits as its factorization.

130683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 130683 is about 361.5010373429. The cubic root of 130683 is about 50.7465316694.

It can be divided in two parts, 13068 and 3, that multiplied together give a square (39204 = 1982).

The spelling of 130683 in words is "one hundred thirty thousand, six hundred eighty-three".

Divisors: 1 3 7 21 49 127 147 343 381 889 1029 2667 6223 18669 43561 130683