Search a number
-
+
13593631 = 103271487
BaseRepresentation
bin110011110110…
…110000011111
3221120121221211
4303312300133
511434444011
61203205251
7223354402
oct63666037
927517854
1013593631
117745107
124676827
132a7c48c
141b3bd39
1512d7b21
hexcf6c1f

13593631 has 8 divisors (see below), whose sum is σ = 13804544. Its totient is φ = 13384440.

The previous prime is 13593623. The next prime is 13593637. The reversal of 13593631 is 13639531.

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

It is a cyclic number.

It is not a de Polignac number, because 13593631 - 23 = 13593623 is a prime.

It is a super-2 number, since 2×135936312 = 369573607528322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13593593 and 13593602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13593637) 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, 27670 + ... + 28156.

It is an arithmetic number, because the mean of its divisors is an integer number (1725568).

Almost surely, 213593631 is an apocalyptic number.

13593631 is a deficient number, since it is larger than the sum of its proper divisors (210913).

13593631 is a wasteful number, since it uses less digits than its factorization.

With its successor (13593632) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (861).

13593631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861.

The product of its digits is 7290, while the sum is 31.

The square root of 13593631 is about 3686.9541629915. The cubic root of 13593631 is about 238.6593713201.

The spelling of 13593631 in words is "thirteen million, five hundred ninety-three thousand, six hundred thirty-one".

Divisors: 1 103 271 487 27913 50161 131977 13593631