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52088653 = 71210333
BaseRepresentation
bin1100011010110…
…0111101001101
310122000101012101
43012230331031
5101313314103
65100235101
71201513651
oct306547515
9118011171
1052088653
1127447a81
121553ba91
13aa39cb6
146cbca61
15488da1d
hex31acf4d

52088653 has 6 divisors (see below), whose sum is σ = 52837742. Its totient is φ = 51350040.

The previous prime is 52088651. The next prime is 52088657. The reversal of 52088653 is 35688025.

It can be written as a sum of positive squares in only one way, i.e., 48413764 + 3674889 = 6958^2 + 1917^2 .

It is not a de Polignac number, because 52088653 - 21 = 52088651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52088651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126 + ... + 10207.

Almost surely, 252088653 is an apocalyptic number.

It is an amenable number.

52088653 is a deficient number, since it is larger than the sum of its proper divisors (749089).

52088653 is an equidigital number, since it uses as much as digits as its factorization.

52088653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10475 (or 10404 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 52088653 is about 7217.2469127778. The cubic root of 52088653 is about 373.4631095560.

It can be divided in two parts, 5208 and 8653, that added together give a triangular number (13861 = T166).

The spelling of 52088653 in words is "fifty-two million, eighty-eight thousand, six hundred fifty-three".

Divisors: 1 71 5041 10333 733643 52088653