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13025103 = 371347711
BaseRepresentation
bin110001101011…
…111101001111
3220111202002020
4301223331033
511313300403
61143101223
7215466030
oct61537517
926452066
1013025103
117396a53
124441813
132910780
141a30a87
151224453
hexc6bf4f

13025103 has 16 divisors (see below), whose sum is σ = 21374976. Its totient is φ = 6870240.

The previous prime is 13025083. The next prime is 13025119. The reversal of 13025103 is 30152031.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-13025103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13025123) 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, 23583 + ... + 24128.

It is an arithmetic number, because the mean of its divisors is an integer number (1335936).

Almost surely, 213025103 is an apocalyptic number.

13025103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13025103 is a deficient number, since it is larger than the sum of its proper divisors (8349873).

13025103 is a wasteful number, since it uses less digits than its factorization.

13025103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47734.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 13025103 is about 3609.0307563112. The cubic root of 13025103 is about 235.2847190351.

Adding to 13025103 its reverse (30152031), we get a palindrome (43177134).

The spelling of 13025103 in words is "thirteen million, twenty-five thousand, one hundred three".

Divisors: 1 3 7 13 21 39 91 273 47711 143133 333977 620243 1001931 1860729 4341701 13025103