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505426512 = 24337284587
BaseRepresentation
bin11110001000000…
…011001001010000
31022020001022211110
4132020003021100
52013342122022
6122053013320
715345024453
oct3610031120
91266038743
10505426512
1123a333468
12121324240
1380935056
144b1a949a
152e58b00c
hex1e203250

505426512 has 40 divisors (see below), whose sum is σ = 1340978656. Its totient is φ = 163921536.

The previous prime is 505426477. The next prime is 505426517. The reversal of 505426512 is 215624505.

It is a super-2 number, since 2×5054265122 = 510911918064972288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 505426512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505426517) 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, 140518 + ... + 144069.

Almost surely, 2505426512 is an apocalyptic number.

It is an amenable number.

505426512 is an abundant number, since it is smaller than the sum of its proper divisors (835552144).

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

505426512 is a wasteful number, since it uses less digits than its factorization.

505426512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284635 (or 284629 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 505426512 is about 22481.6928188248. The cubic root of 505426512 is about 796.5615508408.

The spelling of 505426512 in words is "five hundred five million, four hundred twenty-six thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 37 48 74 111 148 222 296 444 592 888 1776 284587 569174 853761 1138348 1707522 2276696 3415044 4553392 6830088 10529719 13660176 21059438 31589157 42118876 63178314 84237752 126356628 168475504 252713256 505426512