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130242732 = 223411012621
BaseRepresentation
bin1111100001101…
…01100010101100
3100002002000102220
413300311202230
5231320231412
620531315340
73141021264
oct760654254
9302060386
10130242732
1167578324
123774bb50
1320ca2109
14134247a4
15b67a68c
hex7c358ac

130242732 has 48 divisors (see below), whose sum is σ = 314514144. Its totient is φ = 41920000.

The previous prime is 130242653. The next prime is 130242733. The reversal of 130242732 is 237242031.

It is not an unprimeable number, because it can be changed into a prime (130242733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48382 + ... + 51002.

It is an arithmetic number, because the mean of its divisors is an integer number (6552378).

Almost surely, 2130242732 is an apocalyptic number.

130242732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130242732 is an abundant number, since it is smaller than the sum of its proper divisors (184271412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130242732 is a wasteful number, since it uses less digits than its factorization.

130242732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770 (or 2768 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 130242732 is about 11412.3937892100. The cubic root of 130242732 is about 506.8947958909.

Adding to 130242732 its reverse (237242031), we get a palindrome (367484763).

The spelling of 130242732 in words is "one hundred thirty million, two hundred forty-two thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 12 41 82 101 123 164 202 246 303 404 492 606 1212 2621 4141 5242 7863 8282 10484 12423 15726 16564 24846 31452 49692 107461 214922 264721 322383 429844 529442 644766 794163 1058884 1289532 1588326 3176652 10853561 21707122 32560683 43414244 65121366 130242732