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5303681 = 13738713
BaseRepresentation
bin10100001110110110000001
3100222110021122
4110032312001
52324204211
6305402025
763036425
oct24166601
910873248
105303681
112aa2809
121939315
131139096
149c0b85
156eb6db
hex50ed81

5303681 has 4 divisors (see below), whose sum is σ = 5342532. Its totient is φ = 5264832.

The previous prime is 5303671. The next prime is 5303689. The reversal of 5303681 is 1863035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1863035 = 5372607.

It can be written as a sum of positive squares in 2 ways, for example, as 3763600 + 1540081 = 1940^2 + 1241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5303681 is a prime.

It is a super-2 number, since 2×53036812 = 56258064299522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5303681.

It is not an unprimeable number, because it can be changed into a prime (5303689) 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, 19220 + ... + 19493.

It is an arithmetic number, because the mean of its divisors is an integer number (1335633).

Almost surely, 25303681 is an apocalyptic number.

It is an amenable number.

5303681 is a deficient number, since it is larger than the sum of its proper divisors (38851).

5303681 is a wasteful number, since it uses less digits than its factorization.

5303681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38850.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 5303681 is about 2302.9722099930. The cubic root of 5303681 is about 174.3916947655.

The spelling of 5303681 in words is "five million, three hundred three thousand, six hundred eighty-one".

Divisors: 1 137 38713 5303681