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13952453 = 115312101
BaseRepresentation
bin110101001110…
…010111000101
3222020212011112
4311032113011
512032434303
61215014405
7226410464
oct65162705
928225145
1013952453
11796a759
12480a405
132b768b8
141bd29db
1513590d8
hexd4e5c5

13952453 has 4 divisors (see below), whose sum is σ = 13965708. Its totient is φ = 13939200.

The previous prime is 13952429. The next prime is 13952459. The reversal of 13952453 is 35425931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35425931 = 163217337.

It can be written as a sum of positive squares in 2 ways, for example, as 13118884 + 833569 = 3622^2 + 913^2 .

It is a cyclic number.

It is not a de Polignac number, because 13952453 - 218 = 13690309 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 (13952459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4898 + ... + 7203.

It is an arithmetic number, because the mean of its divisors is an integer number (3491427).

Almost surely, 213952453 is an apocalyptic number.

It is an amenable number.

13952453 is a deficient number, since it is larger than the sum of its proper divisors (13255).

13952453 is a wasteful number, since it uses less digits than its factorization.

13952453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13254.

The product of its digits is 16200, while the sum is 32.

The square root of 13952453 is about 3735.2982477976. The cubic root of 13952453 is about 240.7410716334.

The spelling of 13952453 in words is "thirteen million, nine hundred fifty-two thousand, four hundred fifty-three".

Divisors: 1 1153 12101 13952453