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457690164 = 223195213853
BaseRepresentation
bin11011010001111…
…100110000110100
31011220020001212120
4123101330300310
51414132041124
6113225515540
714225205441
oct3321746064
91156201776
10457690164
11215399438
12109342bb0
1373a900a9
1444b009c8
152a2abd79
hex1b47cc34

457690164 has 48 divisors (see below), whose sum is σ = 1126601280. Its totient is φ = 144218880.

The previous prime is 457690157. The next prime is 457690187. The reversal of 457690164 is 461096754.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116862 + ... + 120714.

It is an arithmetic number, because the mean of its divisors is an integer number (23470860).

Almost surely, 2457690164 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 457690164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563300640).

457690164 is an abundant number, since it is smaller than the sum of its proper divisors (668911116).

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

457690164 is a wasteful number, since it uses less digits than its factorization.

457690164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4400 (or 4398 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 457690164 is about 21393.6944916020. The cubic root of 457690164 is about 770.6500183815.

The spelling of 457690164 in words is "four hundred fifty-seven million, six hundred ninety thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 521 1042 1563 2084 3126 3853 6252 7706 9899 11559 15412 19798 23118 29697 39596 46236 59394 73207 118788 146414 219621 292828 439242 878484 2007413 4014826 6022239 8029652 12044478 24088956 38140847 76281694 114422541 152563388 228845082 457690164