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52072386 = 238819851
BaseRepresentation
bin1100011010100…
…0111111000010
310121222112212220
43012220333002
5101312304021
65100031510
71201415352
oct306507702
9117875786
1052072386
1127436833
1215532596
13aa32782
146cb6b62
154888cc6
hex31a8fc2

52072386 has 16 divisors (see below), whose sum is σ = 104273568. Its totient is φ = 17336000.

The previous prime is 52072373. The next prime is 52072409. The reversal of 52072386 is 68327025.

52072386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 361 + ... + 10211.

It is an arithmetic number, because the mean of its divisors is an integer number (6517098).

Almost surely, 252072386 is an apocalyptic number.

52072386 is an abundant number, since it is smaller than the sum of its proper divisors (52201182).

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

52072386 is a wasteful number, since it uses less digits than its factorization.

52072386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10737.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 52072386 is about 7216.1198715099. The cubic root of 52072386 is about 373.4242286829.

The spelling of 52072386 in words is "fifty-two million, seventy-two thousand, three hundred eighty-six".

Divisors: 1 2 3 6 881 1762 2643 5286 9851 19702 29553 59106 8678731 17357462 26036193 52072386