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53315043 = 3171045393
BaseRepresentation
bin1100101101100…
…0010111100011
310201022200111020
43023120113203
5102122040133
65142420523
71215112305
oct313302743
9121280436
1053315043
1128105421
1215a31743
13b079282
14711b975
154a320b3
hex32d85e3

53315043 has 8 divisors (see below), whose sum is σ = 75268368. Its totient is φ = 33452544.

The previous prime is 53315033. The next prime is 53315051. The reversal of 53315043 is 34051335.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53315043 - 25 = 53315011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53315023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522646 + ... + 522747.

It is an arithmetic number, because the mean of its divisors is an integer number (9408546).

Almost surely, 253315043 is an apocalyptic number.

53315043 is a deficient number, since it is larger than the sum of its proper divisors (21953325).

53315043 is a wasteful number, since it uses less digits than its factorization.

53315043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045413.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 53315043 is about 7301.7150725018. The cubic root of 53315043 is about 376.3713769759.

Adding to 53315043 its reverse (34051335), we get a palindrome (87366378).

It can be divided in two parts, 533 and 15043, that added together give a triangular number (15576 = T176).

The spelling of 53315043 in words is "fifty-three million, three hundred fifteen thousand, forty-three".

Divisors: 1 3 17 51 1045393 3136179 17771681 53315043