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52247264 = 251985933
BaseRepresentation
bin1100011101001…
…1101011100000
310122022102202212
43013103223200
5101333403024
65103501252
71203044246
oct307235340
9118272685
1052247264
1127546163
12155b7828
13aa94254
146d20796
1548c0a0e
hex31d3ae0

52247264 has 24 divisors (see below), whose sum is σ = 108276840. Its totient is φ = 24748416.

The previous prime is 52247263. The next prime is 52247281. The reversal of 52247264 is 46274225.

52247264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 52247264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52247263) 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 3 ways as a sum of consecutive naturals, for example, 42359 + ... + 43574.

It is an arithmetic number, because the mean of its divisors is an integer number (4511535).

Almost surely, 252247264 is an apocalyptic number.

It is an amenable number.

52247264 is an abundant number, since it is smaller than the sum of its proper divisors (56029576).

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

52247264 is a wasteful number, since it uses less digits than its factorization.

52247264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85962 (or 85954 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 52247264 is about 7228.2268918456. The cubic root of 52247264 is about 373.8417930189.

The spelling of 52247264 in words is "fifty-two million, two hundred forty-seven thousand, two hundred sixty-four".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 85933 171866 343732 687464 1374928 1632727 2749856 3265454 6530908 13061816 26123632 52247264