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516025 = 5220641
BaseRepresentation
bin1111101111110111001
3222012212001
41331332321
5113003100
615021001
74246306
oct1757671
9865761
10516025
11322774
1220a761
13150b53
14d60ad
15a2d6a
hex7dfb9

516025 has 6 divisors (see below), whose sum is σ = 639902. Its totient is φ = 412800.

The previous prime is 516023. The next prime is 516049. The reversal of 516025 is 520615.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1936 + 514089 = 44^2 + 717^2 .

It is not a de Polignac number, because 516025 - 21 = 516023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 515993 and 516011.

It is not an unprimeable number, because it can be changed into a prime (516023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10296 + ... + 10345.

2516025 is an apocalyptic number.

It is an amenable number.

516025 is a deficient number, since it is larger than the sum of its proper divisors (123877).

516025 is a wasteful number, since it uses less digits than its factorization.

516025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20651 (or 20646 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 516025 is about 718.3488010709. The cubic root of 516025 is about 80.2090884657.

The spelling of 516025 in words is "five hundred sixteen thousand, twenty-five".

Divisors: 1 5 25 20641 103205 516025