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5663731 = 31182701
BaseRepresentation
bin10101100110101111110011
3101122202011211
4111212233303
52422214411
6321220551
766066223
oct25465763
911582154
105663731
113219277
121a91757
131233c28
14a76083
1576d221
hex566bf3

5663731 has 4 divisors (see below), whose sum is σ = 5846464. Its totient is φ = 5481000.

The previous prime is 5663689. The next prime is 5663759. The reversal of 5663731 is 1373665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5663731 - 29 = 5663219 is a prime.

It is a super-2 number, since 2×56637312 = 64155697680722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 182701 = 5663731 / (5 + 6 + 6 + 3 + 7 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5663693 and 5663702.

It is not an unprimeable number, because it can be changed into a prime (5663131) 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, 91320 + ... + 91381.

It is an arithmetic number, because the mean of its divisors is an integer number (1461616).

Almost surely, 25663731 is an apocalyptic number.

5663731 is a deficient number, since it is larger than the sum of its proper divisors (182733).

5663731 is a wasteful number, since it uses less digits than its factorization.

5663731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182732.

The product of its digits is 11340, while the sum is 31.

The square root of 5663731 is about 2379.8594496314. The cubic root of 5663731 is about 178.2519157466.

The spelling of 5663731 in words is "five million, six hundred sixty-three thousand, seven hundred thirty-one".

Divisors: 1 31 182701 5663731