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556676213 = 1972728219
BaseRepresentation
bin100001001011100…
…011010001110101
31102210111002012112
4201023203101311
52120002114323
6131123300405
716536445502
oct4113432165
91383432175
10556676213
11266258095
1213651a705
138b43a212
1453d0a4a9
1533d11178
hex212e3475

556676213 has 4 divisors (see below), whose sum is σ = 556724160. Its totient is φ = 556628268.

The previous prime is 556676201. The next prime is 556676233. The reversal of 556676213 is 312676655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 556676213 - 26 = 556676149 is a prime.

It is a super-2 number, since 2×5566762132 = 619776812240042738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556676233) 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, 5618 + ... + 33836.

It is an arithmetic number, because the mean of its divisors is an integer number (139181040).

Almost surely, 2556676213 is an apocalyptic number.

It is an amenable number.

556676213 is a deficient number, since it is larger than the sum of its proper divisors (47947).

556676213 is a wasteful number, since it uses less digits than its factorization.

556676213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47946.

The product of its digits is 226800, while the sum is 41.

The square root of 556676213 is about 23593.9867974872. The cubic root of 556676213 is about 822.6230759737.

The spelling of 556676213 in words is "five hundred fifty-six million, six hundred seventy-six thousand, two hundred thirteen".

Divisors: 1 19727 28219 556676213