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52452560 = 245655657
BaseRepresentation
bin1100100000010…
…1110011010000
310122200212101102
43020011303100
5101411440220
65112123532
71204560626
oct310056320
9118625342
1052452560
1127676426
12156965a8
13ab36824
146d75516
154911775
hex3205cd0

52452560 has 20 divisors (see below), whose sum is σ = 121952388. Its totient is φ = 20980992.

The previous prime is 52452557. The next prime is 52452583. The reversal of 52452560 is 6525425.

It can be written as a sum of positive squares in 2 ways, for example, as 5721664 + 46730896 = 2392^2 + 6836^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327749 + ... + 327908.

Almost surely, 252452560 is an apocalyptic number.

It is an amenable number.

52452560 is an abundant number, since it is smaller than the sum of its proper divisors (69499828).

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

52452560 is a wasteful number, since it uses less digits than its factorization.

52452560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655670 (or 655664 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 52452560 is about 7242.4139622090. The cubic root of 52452560 is about 374.3308005768.

Adding to 52452560 its reverse (6525425), we get a palindrome (58977985).

The spelling of 52452560 in words is "fifty-two million, four hundred fifty-two thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 655657 1311314 2622628 3278285 5245256 6556570 10490512 13113140 26226280 52452560