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52040532 = 2237359407
BaseRepresentation
bin1100011010000…
…1001101010100
310121220221012010
43012201031110
5101310244112
65055224220
71201223445
oct306411524
9117827163
1052040532
1127414905
1215518070
13aa2111b
146ca92cc
15487e63c
hex31a1354

52040532 has 24 divisors (see below), whose sum is σ = 123093376. Its totient is φ = 17108928.

The previous prime is 52040509. The next prime is 52040561. The reversal of 52040532 is 23504025.

It is a junction number, because it is equal to n+sod(n) for n = 52040499 and 52040508.

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 7 ways as a sum of consecutive naturals, for example, 28828 + ... + 30579.

Almost surely, 252040532 is an apocalyptic number.

It is an amenable number.

52040532 is an abundant number, since it is smaller than the sum of its proper divisors (71052844).

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

52040532 is a wasteful number, since it uses less digits than its factorization.

52040532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59487 (or 59485 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 52040532 is about 7213.9123920380. The cubic root of 52040532 is about 373.3480687920.

Adding to 52040532 its reverse (23504025), we get a palindrome (75544557).

The spelling of 52040532 in words is "fifty-two million, forty thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 59407 118814 178221 237628 356442 712884 4336711 8673422 13010133 17346844 26020266 52040532