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52664816 = 2447591187
BaseRepresentation
bin1100100011100…
…1100111110000
310200002122112202
43020321213300
5101440233231
65120442332
71206433511
oct310714760
9120078482
1052664816
1127800946
12157793a8
13abac319
146dcca08
1549545cb
hex32399f0

52664816 has 40 divisors (see below), whose sum is σ = 106064640. Its totient is φ = 25313984.

The previous prime is 52664813. The next prime is 52664831. The reversal of 52664816 is 61846625.

52664816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 52664816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52664813) 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 7 ways as a sum of consecutive naturals, for example, 43775 + ... + 44961.

It is an arithmetic number, because the mean of its divisors is an integer number (2651616).

Almost surely, 252664816 is an apocalyptic number.

It is an amenable number.

52664816 is an abundant number, since it is smaller than the sum of its proper divisors (53399824).

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

52664816 is a wasteful number, since it uses less digits than its factorization.

52664816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301 (or 1295 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 52664816 is about 7257.0528453360. The cubic root of 52664816 is about 374.8350468593.

The spelling of 52664816 in words is "fifty-two million, six hundred sixty-four thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 47 59 94 118 188 236 376 472 752 944 1187 2374 2773 4748 5546 9496 11092 18992 22184 44368 55789 70033 111578 140066 223156 280132 446312 560264 892624 1120528 3291551 6583102 13166204 26332408 52664816