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130634 = 2723143
BaseRepresentation
bin11111111001001010
320122012022
4133321022
513140014
62444442
71052600
oct377112
9218168
10130634
118a169
1263722
13475ca
1435870
1528a8e
hex1fe4a

130634 has 24 divisors (see below), whose sum is σ = 240768. Its totient is φ = 52920.

The previous prime is 130633. The next prime is 130639. The reversal of 130634 is 436031.

Multipling 130634 by its sum of digits (17), we get a triangular number (2220778 = T2107).

Adding to 130634 its reverse (436031), we get a palindrome (566665).

130634 is nontrivially palindromic in base 6.

It is not an unprimeable number, because it can be changed into a prime (130631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3017 + ... + 3059.

It is an arithmetic number, because the mean of its divisors is an integer number (10032).

2130634 is an apocalyptic number.

130634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

130634 is a deficient number, since it is larger than the sum of its proper divisors (110134).

130634 is a wasteful number, since it uses less digits than its factorization.

130634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 130634 is about 361.4332580159. The cubic root of 130634 is about 50.7401883529.

The spelling of 130634 in words is "one hundred thirty thousand, six hundred thirty-four".

Divisors: 1 2 7 14 31 43 49 62 86 98 217 301 434 602 1333 1519 2107 2666 3038 4214 9331 18662 65317 130634