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130749510 = 2356316907
BaseRepresentation
bin1111100101100…
…01010001000110
3100010000202121110
413302301101012
5231432441020
620550225450
73145231623
oct762612106
9303022543
10130749510
1167894051
1237955286
132111b998
141351734a
15b72a8e0
hex7cb1446

130749510 has 32 divisors (see below), whose sum is σ = 314341632. Its totient is φ = 34806240.

The previous prime is 130749481. The next prime is 130749511. The reversal of 130749510 is 15947031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130749511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15477 + ... + 22383.

It is an arithmetic number, because the mean of its divisors is an integer number (9823176).

Almost surely, 2130749510 is an apocalyptic number.

130749510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130749510 is an abundant number, since it is smaller than the sum of its proper divisors (183592122).

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

130749510 is a wasteful number, since it uses less digits than its factorization.

130749510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7548.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 130749510 is about 11434.5751998052. The cubic root of 130749510 is about 507.5513921441.

The spelling of 130749510 in words is "one hundred thirty million, seven hundred forty-nine thousand, five hundred ten".

Divisors: 1 2 3 5 6 10 15 30 631 1262 1893 3155 3786 6310 6907 9465 13814 18930 20721 34535 41442 69070 103605 207210 4358317 8716634 13074951 21791585 26149902 43583170 65374755 130749510