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552515013 = 346821173
BaseRepresentation
bin100000111011101…
…011010111000101
31102111122200010000
4200323223113011
52112420440023
6130454151513
716456204641
oct4073532705
91374580100
10552515013
11263975786
12135052599
138a61117b
1453545c21
153378d243
hex20eeb5c5

552515013 has 10 divisors (see below), whose sum is σ = 825362054. Its totient is φ = 368343288.

The previous prime is 552514987. The next prime is 552515023. The reversal of 552515013 is 310515255.

552515013 is a `hidden beast` number, since 552 + 51 + 50 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 540004644 + 12510369 = 23238^2 + 3537^2 .

It is a de Polignac number, because none of the positive numbers 2k-552515013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552515023) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3410506 + ... + 3410667.

Almost surely, 2552515013 is an apocalyptic number.

It is an amenable number.

552515013 is a deficient number, since it is larger than the sum of its proper divisors (272847041).

552515013 is an equidigital number, since it uses as much as digits as its factorization.

552515013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6821185 (or 6821176 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 552515013 is about 23505.6378981724. The cubic root of 552515013 is about 820.5682225557.

The spelling of 552515013 in words is "five hundred fifty-two million, five hundred fifteen thousand, thirteen".

Divisors: 1 3 9 27 81 6821173 20463519 61390557 184171671 552515013