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130743560 = 23519172031
BaseRepresentation
bin1111100101011…
…11110100001000
3100010000110110002
413302233310020
5231432243220
620550142132
73145205363
oct762576410
9303013402
10130743560
116788a632
1237951948
132111906c
14135150da
15b728c75
hex7cafd08

130743560 has 32 divisors (see below), whose sum is σ = 309657600. Its totient is φ = 49544640.

The previous prime is 130743559. The next prime is 130743593. The reversal of 130743560 is 65347031.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85256 + ... + 86775.

It is an arithmetic number, because the mean of its divisors is an integer number (9676800).

Almost surely, 2130743560 is an apocalyptic number.

130743560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130743560 is an abundant number, since it is smaller than the sum of its proper divisors (178914040).

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

130743560 is a wasteful number, since it uses less digits than its factorization.

130743560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172061 (or 172057 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 130743560 is about 11434.3150210233. The cubic root of 130743560 is about 507.5436930034.

The spelling of 130743560 in words is "one hundred thirty million, seven hundred forty-three thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 172031 344062 688124 860155 1376248 1720310 3268589 3440620 6537178 6881240 13074356 16342945 26148712 32685890 65371780 130743560