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52973272 = 2311601969
BaseRepresentation
bin1100101000010…
…0111011011000
310200200022200001
43022010323120
5102030121042
65131222344
71212160012
oct312047330
9120608601
1052973272
11279a1670
12158a79b4
13ac89841
14706d1b2
1549b5bb7
hex3284ed8

52973272 has 16 divisors (see below), whose sum is σ = 108354600. Its totient is φ = 24078720.

The previous prime is 52973269. The next prime is 52973279. The reversal of 52973272 is 27237925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52973279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300897 + ... + 301072.

Almost surely, 252973272 is an apocalyptic number.

It is an amenable number.

52973272 is an abundant number, since it is smaller than the sum of its proper divisors (55381328).

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

52973272 is a wasteful number, since it uses less digits than its factorization.

52973272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601986 (or 601982 counting only the distinct ones).

The product of its digits is 52920, while the sum is 37.

The square root of 52973272 is about 7278.2739712105. The cubic root of 52973272 is about 375.5654214049.

The spelling of 52973272 in words is "fifty-two million, nine hundred seventy-three thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 601969 1203938 2407876 4815752 6621659 13243318 26486636 52973272