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52160353 = 73241631
BaseRepresentation
bin1100011011111…
…0011101100001
310122011000112221
43012332131201
5101323112403
65101551041
71202233000
oct306763541
9118130487
1052160353
1127496933
1215575481
13aa6381b
146cdac37
1548a4dbd
hex31be761

52160353 has 16 divisors (see below), whose sum is σ = 61177600. Its totient is φ = 44452800.

The previous prime is 52160351. The next prime is 52160411. The reversal of 52160353 is 35306125.

It is a happy number.

It is not a de Polignac number, because 52160353 - 21 = 52160351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52160351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82348 + ... + 82978.

It is an arithmetic number, because the mean of its divisors is an integer number (3823600).

Almost surely, 252160353 is an apocalyptic number.

It is an amenable number.

52160353 is a deficient number, since it is larger than the sum of its proper divisors (9017247).

52160353 is an equidigital number, since it uses as much as digits as its factorization.

52160353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 52160353 is about 7222.2124726430. The cubic root of 52160353 is about 373.6343882413.

Adding to 52160353 its reverse (35306125), we get a palindrome (87466478).

The spelling of 52160353 in words is "fifty-two million, one hundred sixty thousand, three hundred fifty-three".

Divisors: 1 7 49 241 343 631 1687 4417 11809 30919 82663 152071 216433 1064497 7451479 52160353