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130964 = 22291129
BaseRepresentation
bin11111111110010100
320122122112
4133332110
513142324
62450152
71053551
oct377624
9218575
10130964
118a439
1263958
13477c2
1435a28
1528c0e
hex1ff94

130964 has 12 divisors (see below), whose sum is σ = 237300. Its totient is φ = 63168.

The previous prime is 130957. The next prime is 130969. The reversal of 130964 is 469031.

It can be written as a sum of positive squares in 2 ways, for example, as 36100 + 94864 = 190^2 + 308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130969) 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, 449 + ... + 680.

It is an arithmetic number, because the mean of its divisors is an integer number (19775).

2130964 is an apocalyptic number.

It is an amenable number.

130964 is a deficient number, since it is larger than the sum of its proper divisors (106336).

130964 is a wasteful number, since it uses less digits than its factorization.

130964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1160 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 130964 is about 361.8894858931. The cubic root of 130964 is about 50.7828780622.

Adding to 130964 its reverse (469031), we get a palindrome (599995).

The spelling of 130964 in words is "one hundred thirty thousand, nine hundred sixty-four".

Divisors: 1 2 4 29 58 116 1129 2258 4516 32741 65482 130964