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516925 = 52232931
BaseRepresentation
bin1111110001100111101
3222021002101
41332030331
5113020200
615025101
74252033
oct1761475
9867071
10516925
11323412
1220b191
13151396
14d6553
15a326a
hex7e33d

516925 has 24 divisors (see below), whose sum is σ = 714240. Its totient is φ = 369600.

The previous prime is 516911. The next prime is 516931. The reversal of 516925 is 529615.

It is a de Polignac number, because none of the positive numbers 2k-516925 is a prime.

It is a super-2 number, since 2×5169252 = 534422911250, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 516893 and 516902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16660 + ... + 16690.

It is an arithmetic number, because the mean of its divisors is an integer number (29760).

2516925 is an apocalyptic number.

It is an amenable number.

516925 is a deficient number, since it is larger than the sum of its proper divisors (197315).

516925 is a wasteful number, since it uses less digits than its factorization.

516925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 88 counting only the distinct ones).

The product of its digits is 2700, while the sum is 28.

The square root of 516925 is about 718.9749647936. The cubic root of 516925 is about 80.2556923140.

It can be divided in two parts, 516 and 925, that added together give a palindrome (1441).

The spelling of 516925 in words is "five hundred sixteen thousand, nine hundred twenty-five".

Divisors: 1 5 23 25 29 31 115 145 155 575 667 713 725 775 899 3335 3565 4495 16675 17825 20677 22475 103385 516925