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516488634 = 23228693813
BaseRepresentation
bin11110110010001…
…111110110111010
31022222212100012200
4132302033312322
52024210114014
6123130051030
715541036524
oct3662176672
91288770180
10516488634
112455a9612
12124b79a76
138300919c
144c848a14
1530523a09
hex1ec8fdba

516488634 has 12 divisors (see below), whose sum is σ = 1119058746. Its totient is φ = 172162872.

The previous prime is 516488563. The next prime is 516488671. The reversal of 516488634 is 436884615.

516488634 is a `hidden beast` number, since 5 + 1 + 6 + 4 + 8 + 8 + 634 = 666.

It can be written as a sum of positive squares in only one way, i.e., 277322409 + 239166225 = 16653^2 + 15465^2 .

It is a super-3 number, since 3×5164886343 (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 516488634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14346889 + ... + 14346924.

Almost surely, 2516488634 is an apocalyptic number.

516488634 is an abundant number, since it is smaller than the sum of its proper divisors (602570112).

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

516488634 is a wasteful number, since it uses less digits than its factorization.

516488634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28693821 (or 28693818 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 516488634 is about 22726.3862943496. The cubic root of 516488634 is about 802.3310314767.

The spelling of 516488634 in words is "five hundred sixteen million, four hundred eighty-eight thousand, six hundred thirty-four".

Divisors: 1 2 3 6 9 18 28693813 57387626 86081439 172162878 258244317 516488634