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13005054 = 2321275689
BaseRepresentation
bin110001100111…
…000011111110
3220110201120200
4301213003332
511312130204
61142424330
7215353416
oct61470376
926421520
1013005054
117382987
1244320a6
1329045ca
141a27646
15121d539
hexc670fe

13005054 has 24 divisors (see below), whose sum is σ = 28404480. Its totient is φ = 4300128.

The previous prime is 13005053. The next prime is 13005061. The reversal of 13005054 is 45050031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13005053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 559 + ... + 5130.

It is an arithmetic number, because the mean of its divisors is an integer number (1183520).

Almost surely, 213005054 is an apocalyptic number.

13005054 is an abundant number, since it is smaller than the sum of its proper divisors (15399426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13005054 is a wasteful number, since it uses less digits than its factorization.

13005054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5824 (or 5821 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 13005054 is about 3606.2520710566. The cubic root of 13005054 is about 235.1639357101.

Adding to 13005054 its reverse (45050031), we get a palindrome (58055085).

The spelling of 13005054 in words is "thirteen million, five thousand, fifty-four".

Divisors: 1 2 3 6 9 18 127 254 381 762 1143 2286 5689 11378 17067 34134 51201 102402 722503 1445006 2167509 4335018 6502527 13005054