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64009080 = 233251710459
BaseRepresentation
bin1111010000101…
…1001101111000
311110102222221200
43310023031320
5112341242310
610203534200
71405032252
oct364131570
9143388850
1064009080
1133149a73
121952a360
13103519c5
148702cd2
1559459c0
hex3d0b378

64009080 has 96 divisors (see below), whose sum is σ = 220287600. Its totient is φ = 16063488.

The previous prime is 64009037. The next prime is 64009093. The reversal of 64009080 is 8090046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 891 + ... + 11349.

Almost surely, 264009080 is an apocalyptic number.

64009080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64009080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110143800).

64009080 is an abundant number, since it is smaller than the sum of its proper divisors (156278520).

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

64009080 is a wasteful number, since it uses less digits than its factorization.

64009080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10493 (or 10486 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 64009080 is about 8000.5674798729. The cubic root of 64009080 is about 400.0189157721.

The spelling of 64009080 in words is "sixty-four million, nine thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 17 18 20 24 30 34 36 40 45 51 60 68 72 85 90 102 120 136 153 170 180 204 255 306 340 360 408 510 612 680 765 1020 1224 1530 2040 3060 6120 10459 20918 31377 41836 52295 62754 83672 94131 104590 125508 156885 177803 188262 209180 251016 313770 355606 376524 418360 470655 533409 627540 711212 753048 889015 941310 1066818 1255080 1422424 1600227 1778030 1882620 2133636 2667045 3200454 3556060 3765240 4267272 5334090 6400908 7112120 8001135 10668180 12801816 16002270 21336360 32004540 64009080