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5076521 = 25719753
BaseRepresentation
bin10011010111011000101001
3100112220200022
4103113120221
52244422041
6300450225
761102232
oct23273051
910486608
105076521
11295807a
121849975
131089878
14962089
156a424b
hex4d7629

5076521 has 4 divisors (see below), whose sum is σ = 5096532. Its totient is φ = 5056512.

The previous prime is 5076509. The next prime is 5076527. The reversal of 5076521 is 1256705.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3610000 + 1466521 = 1900^2 + 1211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5076521 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5076527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9620 + ... + 10133.

It is an arithmetic number, because the mean of its divisors is an integer number (1274133).

Almost surely, 25076521 is an apocalyptic number.

It is an amenable number.

5076521 is a deficient number, since it is larger than the sum of its proper divisors (20011).

5076521 is a wasteful number, since it uses less digits than its factorization.

5076521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20010.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 5076521 is about 2253.1136234109. The cubic root of 5076521 is about 171.8655091619.

The spelling of 5076521 in words is "five million, seventy-six thousand, five hundred twenty-one".

Divisors: 1 257 19753 5076521