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13453429 = 111223039
BaseRepresentation
bin110011010100…
…100001110101
3221022111122011
4303110201311
511421002204
61200204221
7222231553
oct63244165
927274564
1013453429
117659840
124609671
132a30712
141b02bd3
1512ab304
hexcd4875

13453429 has 4 divisors (see below), whose sum is σ = 14676480. Its totient is φ = 12230380.

The previous prime is 13453397. The next prime is 13453457. The reversal of 13453429 is 92435431.

13453429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92435431 = 118403221.

It is a cyclic number.

It is not a de Polignac number, because 13453429 - 25 = 13453397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13453429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13453469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611509 + ... + 611530.

It is an arithmetic number, because the mean of its divisors is an integer number (3669120).

Almost surely, 213453429 is an apocalyptic number.

It is an amenable number.

13453429 is a deficient number, since it is larger than the sum of its proper divisors (1223051).

13453429 is a wasteful number, since it uses less digits than its factorization.

13453429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223050.

The product of its digits is 12960, while the sum is 31.

The square root of 13453429 is about 3667.8916287153. The cubic root of 13453429 is about 237.8360391794.

It can be divided in two parts, 1345 and 3429, that added together give a palindrome (4774).

The spelling of 13453429 in words is "thirteen million, four hundred fifty-three thousand, four hundred twenty-nine".

Divisors: 1 11 1223039 13453429