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5615 = 51123
BaseRepresentation
bin1010111101111
321200222
41113233
5134430
641555
722241
oct12757
97628
105615
114245
1232bb
13272c
142091
1519e5
hex15ef

5615 has 4 divisors (see below), whose sum is σ = 6744. Its totient is φ = 4488.

The previous prime is 5591. The next prime is 5623. The reversal of 5615 is 5165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5165 = 51033.

It is a cyclic number.

It is not a de Polignac number, because 5615 - 210 = 4591 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 5593 and 5602.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 5615.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557 + ... + 566.

It is an arithmetic number, because the mean of its divisors is an integer number (1686).

25615 is an apocalyptic number.

5615 is a deficient number, since it is larger than the sum of its proper divisors (1129).

5615 is a wasteful number, since it uses less digits than its factorization.

5615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128.

The product of its digits is 150, while the sum is 17.

The square root of 5615 is about 74.9333036773. The cubic root of 5615 is about 17.7739213279.

The spelling of 5615 in words is "five thousand, six hundred fifteen".

Divisors: 1 5 1123 5615