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52071908 = 22722311551
BaseRepresentation
bin1100011010100…
…0110111100100
310121222112020012
43012220313210
5101312300113
65100025352
71201414100
oct306506744
9117875205
1052071908
1127436439
1215532258
13aa324a5
146cb6900
154888aa8
hex31a8de4

52071908 has 36 divisors (see below), whose sum is σ = 110621952. Its totient is φ = 21344400.

The previous prime is 52071893. The next prime is 52071941. The reversal of 52071908 is 80917025.

52071908 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 2×520719082 = 5422967205520928, which contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1268 + ... + 10283.

It is an arithmetic number, because the mean of its divisors is an integer number (3072832).

Almost surely, 252071908 is an apocalyptic number.

It is an amenable number.

52071908 is an abundant number, since it is smaller than the sum of its proper divisors (58550044).

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

52071908 is a wasteful number, since it uses less digits than its factorization.

52071908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11592 (or 11583 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 52071908 is about 7216.0867511415. The cubic root of 52071908 is about 373.4230860598.

The spelling of 52071908 in words is "fifty-two million, seventy-one thousand, nine hundred eight".

Divisors: 1 2 4 7 14 23 28 46 49 92 98 161 196 322 644 1127 2254 4508 11551 23102 46204 80857 161714 265673 323428 531346 565999 1062692 1131998 1859711 2263996 3719422 7438844 13017977 26035954 52071908