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52620318 = 2322923351
BaseRepresentation
bin1100100010111…
…0110000011110
310200000101111200
43020232300132
5101432322233
65115500330
71206160002
oct310566036
9120011450
1052620318
1127780473
12157576a6
13ab94caa
146dba702
154946313
hex322ec1e

52620318 has 12 divisors (see below), whose sum is σ = 114010728. Its totient is φ = 17540100.

The previous prime is 52620313. The next prime is 52620319. The reversal of 52620318 is 81302625.

52620318 is a `hidden beast` number, since 5 + 2 + 620 + 31 + 8 = 666.

52620318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×526203182 = 5537795732842248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52620291 and 52620300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52620313) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1461658 + ... + 1461693.

It is an arithmetic number, because the mean of its divisors is an integer number (9500894).

Almost surely, 252620318 is an apocalyptic number.

52620318 is an abundant number, since it is smaller than the sum of its proper divisors (61390410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52620318 is a wasteful number, since it uses less digits than its factorization.

52620318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923359 (or 2923356 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 52620318 is about 7253.9863523445. The cubic root of 52620318 is about 374.7294475172.

The spelling of 52620318 in words is "fifty-two million, six hundred twenty thousand, three hundred eighteen".

Divisors: 1 2 3 6 9 18 2923351 5846702 8770053 17540106 26310159 52620318