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52660245 = 3511439727
BaseRepresentation
bin1100100011100…
…0100000010101
310200002102021110
43020320200111
5101440111440
65120405233
71206414261
oct310704025
9120072243
1052660245
11277a8470
1215776819
13abaa211
146dcb0a1
154953080
hex3238815

52660245 has 32 divisors (see below), whose sum is σ = 92252160. Its totient is φ = 25439040.

The previous prime is 52660219. The next prime is 52660249. The reversal of 52660245 is 54206625.

It is not a de Polignac number, because 52660245 - 210 = 52659221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52660249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72072 + ... + 72798.

It is an arithmetic number, because the mean of its divisors is an integer number (2882880).

Almost surely, 252660245 is an apocalyptic number.

52660245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52660245 is a deficient number, since it is larger than the sum of its proper divisors (39591915).

52660245 is a wasteful number, since it uses less digits than its factorization.

52660245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 52660245 is about 7256.7379034936. The cubic root of 52660245 is about 374.8242020442.

The spelling of 52660245 in words is "fifty-two million, six hundred sixty thousand, two hundred forty-five".

Divisors: 1 3 5 11 15 33 55 165 439 727 1317 2181 2195 3635 4829 6585 7997 10905 14487 23991 24145 39985 72435 119955 319153 957459 1595765 3510683 4787295 10532049 17553415 52660245