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52205079 = 3171516779
BaseRepresentation
bin1100011100100…
…1011000010111
310122020021220110
43013021120113
5101331030304
65102534103
71202510253
oct307113027
9118207813
1052205079
11275174a3
1215597333
13aa7aca4
146d0d263
1548b3289
hex31c9617

52205079 has 16 divisors (see below), whose sum is σ = 74200320. Its totient is φ = 32534400.

The previous prime is 52205077. The next prime is 52205089. The reversal of 52205079 is 97050225.

It is a happy number.

52205079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52205079 - 21 = 52205077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52205077) 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 15 ways as a sum of consecutive naturals, for example, 4312 + ... + 11090.

It is an arithmetic number, because the mean of its divisors is an integer number (4637520).

Almost surely, 252205079 is an apocalyptic number.

52205079 is a deficient number, since it is larger than the sum of its proper divisors (21995241).

52205079 is a wasteful number, since it uses less digits than its factorization.

52205079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6950.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 52205079 is about 7225.3082287194. The cubic root of 52205079 is about 373.7411513063.

The spelling of 52205079 in words is "fifty-two million, two hundred five thousand, seventy-nine".

Divisors: 1 3 17 51 151 453 2567 6779 7701 20337 115243 345729 1023629 3070887 17401693 52205079