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52279888 = 2431109967
BaseRepresentation
bin1100011101101…
…1101001010000
310122101002112011
43013123221100
5101340424023
65104312304
71203241333
oct307335120
9118332464
1052279888
1127568721
1215612694
13aaa605b
146d2c61a
1548ca50d
hex31dba50

52279888 has 40 divisors (see below), whose sum is σ = 105628160. Its totient is φ = 25038720.

The previous prime is 52279861. The next prime is 52279891. The reversal of 52279888 is 88897225.

52279888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 53581 + ... + 54547.

It is an arithmetic number, because the mean of its divisors is an integer number (2640704).

Almost surely, 252279888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52279888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52814080).

52279888 is an abundant number, since it is smaller than the sum of its proper divisors (53348272).

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

52279888 is a wasteful number, since it uses less digits than its factorization.

52279888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1109 counting only the distinct ones).

The product of its digits is 645120, while the sum is 49.

The square root of 52279888 is about 7230.4832480271. The cubic root of 52279888 is about 373.9195876956.

The spelling of 52279888 in words is "fifty-two million, two hundred seventy-nine thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 16 31 62 109 124 218 248 436 496 872 967 1744 1934 3379 3868 6758 7736 13516 15472 27032 29977 54064 59954 105403 119908 210806 239816 421612 479632 843224 1686448 3267493 6534986 13069972 26139944 52279888