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507396864 = 2831350821
BaseRepresentation
bin11110001111100…
…100001100000000
31022100202102122110
4132033210030000
52014343144424
6122203135320
715400542102
oct3617441400
91270672573
10507396864
11240459857
12121b14540
1381174b40
144b55d572
152e829c29
hex1e3e4300

507396864 has 72 divisors (see below), whose sum is σ = 1454322352. Its totient is φ = 156119040.

The previous prime is 507396863. The next prime is 507396887. The reversal of 507396864 is 468693705.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (507396863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15427 + ... + 35394.

Almost surely, 2507396864 is an apocalyptic number.

It is an amenable number.

507396864 is an abundant number, since it is smaller than the sum of its proper divisors (946925488).

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

507396864 is a wasteful number, since it uses less digits than its factorization.

507396864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50853 (or 50839 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 507396864 is about 22525.4714490063. The cubic root of 507396864 is about 797.5953124227.

The spelling of 507396864 in words is "five hundred seven million, three hundred ninety-six thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 256 312 384 416 624 768 832 1248 1664 2496 3328 4992 9984 50821 101642 152463 203284 304926 406568 609852 660673 813136 1219704 1321346 1626272 1982019 2439408 2642692 3252544 3964038 4878816 5285384 6505088 7928076 9757632 10570768 13010176 15856152 19515264 21141536 31712304 39030528 42283072 63424608 84566144 126849216 169132288 253698432 507396864