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63115 = 513971
BaseRepresentation
bin1111011010001011
310012120121
433122023
54004430
61204111
7352003
oct173213
9105517
1063115
1143468
1230637
1322960
1419003
1513a7a
hexf68b

63115 has 8 divisors (see below), whose sum is σ = 81648. Its totient is φ = 46560.

The previous prime is 63113. The next prime is 63127. The reversal of 63115 is 51136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63115 - 21 = 63113 is a prime.

It is an Ulam number.

It is a Duffinian number.

63115 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (63113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421 + ... + 550.

It is an arithmetic number, because the mean of its divisors is an integer number (10206).

263115 is an apocalyptic number.

63115 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

63115 is a deficient number, since it is larger than the sum of its proper divisors (18533).

63115 is a wasteful number, since it uses less digits than its factorization.

63115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989.

The product of its digits is 90, while the sum is 16.

The square root of 63115 is about 251.2269889960. The cubic root of 63115 is about 39.8147685569.

It can be divided in two parts, 631 and 15, that added together give a palindrome (646).

The spelling of 63115 in words is "sixty-three thousand, one hundred fifteen".

Divisors: 1 5 13 65 971 4855 12623 63115