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13913053 = 7111011789
BaseRepresentation
bin110101000100…
…101111011101
3222011212010021
4311010233131
512030204203
61214112141
7226154560
oct65045735
928155107
1013913053
1179430a0
1247ab651
132b6199b
141bc24d7
15134c5bd
hexd44bdd

13913053 has 16 divisors (see below), whose sum is σ = 17527680. Its totient is φ = 10728000.

The previous prime is 13913051. The next prime is 13913059. The reversal of 13913053 is 35031931.

It is a cyclic number.

It is not a de Polignac number, because 13913053 - 21 = 13913051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13913051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6883 + ... + 8671.

It is an arithmetic number, because the mean of its divisors is an integer number (1095480).

Almost surely, 213913053 is an apocalyptic number.

It is an amenable number.

13913053 is a deficient number, since it is larger than the sum of its proper divisors (3614627).

13913053 is a wasteful number, since it uses less digits than its factorization.

13913053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908.

The product of its (nonzero) digits is 1215, while the sum is 25.

The square root of 13913053 is about 3730.0205093270. The cubic root of 13913053 is about 240.5142503331.

Adding to 13913053 its reverse (35031931), we get a palindrome (48944984).

It can be divided in two parts, 1391 and 3053, that added together give a palindrome (4444).

The spelling of 13913053 in words is "thirteen million, nine hundred thirteen thousand, fifty-three".

Divisors: 1 7 11 77 101 707 1111 1789 7777 12523 19679 137753 180689 1264823 1987579 13913053