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497764812 = 223197197317
BaseRepresentation
bin11101101010110…
…100100111001100
31021200122001221210
4131222310213030
52004411433222
6121220454420
715222634236
oct3552644714
91250561853
10497764812
11235a80086
1211a84a410
137c1818bc
144a173256
152da75d0c
hex1dab49cc

497764812 has 96 divisors (see below), whose sum is σ = 1256532480. Its totient is φ = 152893440.

The previous prime is 497764763. The next prime is 497764823. The reversal of 497764812 is 218467794.

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, 1570078 + ... + 1570394.

It is an arithmetic number, because the mean of its divisors is an integer number (13088880).

Almost surely, 2497764812 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 497764812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628266240).

497764812 is an abundant number, since it is smaller than the sum of its proper divisors (758767668).

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

497764812 is a wasteful number, since it uses less digits than its factorization.

497764812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 509 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 497764812 is about 22310.6434689813. The cubic root of 497764812 is about 792.5160459422.

The spelling of 497764812 in words is "four hundred ninety-seven million, seven hundred sixty-four thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 19 38 57 71 76 97 114 142 194 213 228 284 291 317 388 426 582 634 852 951 1164 1268 1349 1843 1902 2698 3686 3804 4047 5396 5529 6023 6887 7372 8094 11058 12046 13774 16188 18069 20661 22116 22507 24092 27548 30749 36138 41322 45014 61498 67521 72276 82644 90028 92247 122996 130853 135042 184494 261706 270084 368988 392559 427633 523412 584231 785118 855266 1168462 1282899 1570236 1710532 1752693 2183179 2336924 2565798 3505386 4366358 5131596 6549537 7010772 8732716 13099074 26198148 41480401 82960802 124441203 165921604 248882406 497764812