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76868460 = 22335283503
BaseRepresentation
bin1001001010011…
…10101101101100
312100122022201000
410211032231230
5124134242320
611343320300
71622241204
oct445165554
9170568630
1076868460
113a432459
12218b0090
1312c04bc6
14a2cd404
156b35c90
hex494eb6c

76868460 has 96 divisors (see below), whose sum is σ = 240468480. Its totient is φ = 20385216.

The previous prime is 76868447. The next prime is 76868503. The reversal of 76868460 is 6486867.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152569 + ... + 153071.

It is an arithmetic number, because the mean of its divisors is an integer number (2504880).

Almost surely, 276868460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76868460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120234240).

76868460 is an abundant number, since it is smaller than the sum of its proper divisors (163600020).

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

76868460 is a wasteful number, since it uses less digits than its factorization.

76868460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 76868460 is about 8767.4659965123. The cubic root of 76868460 is about 425.1896915617.

The spelling of 76868460 in words is "seventy-six million, eight hundred sixty-eight thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 283 503 540 566 849 1006 1132 1415 1509 1698 2012 2515 2547 2830 3018 3396 4245 4527 5030 5094 5660 6036 7545 7641 8490 9054 10060 10188 12735 13581 15090 15282 16980 18108 22635 25470 27162 30180 30564 38205 45270 50940 54324 67905 76410 90540 135810 142349 152820 271620 284698 427047 569396 711745 854094 1281141 1423490 1708188 2135235 2562282 2846980 3843423 4270470 5124564 6405705 7686846 8540940 12811410 15373692 19217115 25622820 38434230 76868460