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487700680 = 23531541727
BaseRepresentation
bin11101000100011…
…011100011001000
31020222200202120011
4131010123203020
51444322410210
6120221041304
715041246605
oct3504334310
91228622504
10487700680
11230326815
121173b6234
137a069aac
1448ab36ac
152cc38d8a
hex1d11b8c8

487700680 has 64 divisors (see below), whose sum is σ = 1136378880. Its totient is φ = 188179200.

The previous prime is 487700677. The next prime is 487700693. The reversal of 487700680 is 86007784.

It is a Harshad number since it is a multiple of its sum of digits (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 15 ways as a sum of consecutive naturals, for example, 670477 + ... + 671203.

It is an arithmetic number, because the mean of its divisors is an integer number (17755920).

Almost surely, 2487700680 is an apocalyptic number.

487700680 is a gapful number since it is divisible by the number (40) 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 487700680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568189440).

487700680 is an abundant number, since it is smaller than the sum of its proper divisors (648678200).

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

487700680 is a wasteful number, since it uses less digits than its factorization.

487700680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310 (or 1306 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 487700680 is about 22083.9462053321. The cubic root of 487700680 is about 787.1384375329.

The spelling of 487700680 in words is "four hundred eighty-seven million, seven hundred thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 541 620 727 1082 1240 1454 2164 2705 2908 3635 4328 5410 5816 7270 10820 14540 16771 21640 22537 29080 33542 45074 67084 83855 90148 112685 134168 167710 180296 225370 335420 393307 450740 670840 786614 901480 1573228 1966535 3146456 3933070 7866140 12192517 15732280 24385034 48770068 60962585 97540136 121925170 243850340 487700680