Search a number
-
+
53161417 = 83640499
BaseRepresentation
bin1100101011001…
…0110111001001
310201000212202101
43022302313021
5102102131132
65135233401
71213602361
oct312626711
9121025671
1053161417
112800aa61
1215978861
13b02437a
1470bb9a1
154a017e7
hex32b2dc9

53161417 has 4 divisors (see below), whose sum is σ = 53802000. Its totient is φ = 52520836.

The previous prime is 53161399. The next prime is 53161421. The reversal of 53161417 is 71416135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53161417 - 211 = 53159369 is a prime.

It is a super-2 number, since 2×531614172 = 5652272514895778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53161117) 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, 320167 + ... + 320332.

It is an arithmetic number, because the mean of its divisors is an integer number (13450500).

Almost surely, 253161417 is an apocalyptic number.

It is an amenable number.

53161417 is a deficient number, since it is larger than the sum of its proper divisors (640583).

53161417 is an equidigital number, since it uses as much as digits as its factorization.

53161417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640582.

The product of its digits is 2520, while the sum is 28.

The square root of 53161417 is about 7291.1876261690. The cubic root of 53161417 is about 376.0095275426.

The spelling of 53161417 in words is "fifty-three million, one hundred sixty-one thousand, four hundred seventeen".

Divisors: 1 83 640499 53161417