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13910429 = 131070033
BaseRepresentation
bin110101000100…
…000110011101
3222011201112002
4311010012131
512030113204
61214052045
7226144121
oct65040635
928151462
1013910429
117941125
1247aa025
132b60730
141bc1581
15134b91e
hexd4419d

13910429 has 4 divisors (see below), whose sum is σ = 14980476. Its totient is φ = 12840384.

The previous prime is 13910419. The next prime is 13910431. The reversal of 13910429 is 92401931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92401931 = 775911909.

It can be written as a sum of positive squares in 2 ways, for example, as 3496900 + 10413529 = 1870^2 + 3227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13910429 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 (13910419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535004 + ... + 535029.

It is an arithmetic number, because the mean of its divisors is an integer number (3745119).

Almost surely, 213910429 is an apocalyptic number.

It is an amenable number.

13910429 is a deficient number, since it is larger than the sum of its proper divisors (1070047).

13910429 is a wasteful number, since it uses less digits than its factorization.

13910429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070046.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 13910429 is about 3729.6687520476. The cubic root of 13910429 is about 240.4991290635.

The spelling of 13910429 in words is "thirteen million, nine hundred ten thousand, four hundred twenty-nine".

Divisors: 1 13 1070033 13910429