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13252503 = 3111723623
BaseRepresentation
bin110010100011…
…011110010111
3220221022000110
4302203132113
511343040003
61152014103
7220434015
oct62433627
926838013
1013252503
117531890
124531333
132990124
141a8d8b5
15126ba03
hexca3797

13252503 has 16 divisors (see below), whose sum is σ = 20411136. Its totient is φ = 7559040.

The previous prime is 13252489. The next prime is 13252529. The reversal of 13252503 is 30525231.

It is not a de Polignac number, because 13252503 - 210 = 13251479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13252503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13252573) 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, 11251 + ... + 12372.

It is an arithmetic number, because the mean of its divisors is an integer number (1275696).

Almost surely, 213252503 is an apocalyptic number.

13252503 is a deficient number, since it is larger than the sum of its proper divisors (7158633).

13252503 is a wasteful number, since it uses less digits than its factorization.

13252503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23654.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 13252503 is about 3640.3987418963. The cubic root of 13252503 is about 236.6460739428.

Adding to 13252503 its reverse (30525231), we get a palindrome (43777734).

It can be divided in two parts, 1325 and 2503, that added together give a triangular number (3828 = T87).

The spelling of 13252503 in words is "thirteen million, two hundred fifty-two thousand, five hundred three".

Divisors: 1 3 11 17 33 51 187 561 23623 70869 259853 401591 779559 1204773 4417501 13252503