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52660344 = 233111511321
BaseRepresentation
bin1100100011100…
…0100001111000
310200002102102010
43020320201320
5101440112334
65120405520
71206414462
oct310704170
9120072363
1052660344
11277a8550
12157768a0
13abaa289
146dcb132
1549530e9
hex3238878

52660344 has 64 divisors (see below), whose sum is σ = 144679680. Its totient is φ = 15840000.

The previous prime is 52660331. The next prime is 52660367. The reversal of 52660344 is 44306625.

It is a super-2 number, since 2×526603442 = 5546223660396672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39204 + ... + 40524.

It is an arithmetic number, because the mean of its divisors is an integer number (2260620).

Almost surely, 252660344 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 52660344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72339840).

52660344 is an abundant number, since it is smaller than the sum of its proper divisors (92019336).

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

52660344 is a wasteful number, since it uses less digits than its factorization.

52660344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492 (or 1488 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 52660344 is about 7256.7447247371. The cubic root of 52660344 is about 374.8244369309.

Adding to 52660344 its reverse (44306625), we get a palindrome (96966969).

The spelling of 52660344 in words is "fifty-two million, six hundred sixty thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 151 264 302 453 604 906 1208 1321 1661 1812 2642 3322 3624 3963 4983 5284 6644 7926 9966 10568 13288 14531 15852 19932 29062 31704 39864 43593 58124 87186 116248 174372 199471 348744 398942 598413 797884 1196826 1595768 2194181 2393652 4388362 4787304 6582543 8776724 13165086 17553448 26330172 52660344