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130174640 = 2451938431
BaseRepresentation
bin1111100001001…
…00111010110000
3100001221120000222
413300210322300
5231311042030
620530032212
73140315621
oct760447260
9301846028
10130174640
1167531152
1237718668
1320c7a11b
1413407a48
15b6653e5
hex7c24eb0

130174640 has 40 divisors (see below), whose sum is σ = 304260288. Its totient is φ = 51793920.

The previous prime is 130174637. The next prime is 130174691. The reversal of 130174640 is 46471031.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11225 + ... + 19655.

Almost surely, 2130174640 is an apocalyptic number.

130174640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130174640 is an abundant number, since it is smaller than the sum of its proper divisors (174085648).

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

130174640 is a wasteful number, since it uses less digits than its factorization.

130174640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8637 (or 8631 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 130174640 is about 11409.4101512743. The cubic root of 130174640 is about 506.8064441990.

The spelling of 130174640 in words is "one hundred thirty million, one hundred seventy-four thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 193 386 772 965 1544 1930 3088 3860 7720 8431 15440 16862 33724 42155 67448 84310 134896 168620 337240 674480 1627183 3254366 6508732 8135915 13017464 16271830 26034928 32543660 65087320 130174640