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1344502431 = 32149389159
BaseRepresentation
bin101000000100011…
…0111101010011111
310110200220210121100
41100020313222133
510223143034211
6341225204143
745214040106
oct12010675237
93420823540
101344502431
1162aa33638
12316330653
13185719c8c
14ca7c703d
157d081156
hex50237a9f

1344502431 has 6 divisors (see below), whose sum is σ = 1942059080. Its totient is φ = 896334948.

The previous prime is 1344502429. The next prime is 1344502433. The reversal of 1344502431 is 1342054431.

It is a happy number.

1344502431 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1344502429) and next prime (1344502433).

It is not a de Polignac number, because 1344502431 - 21 = 1344502429 is a prime.

It is a super-2 number, since 2×13445024312 = 3615373573929819522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1344502395 and 1344502404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344502433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74694571 + ... + 74694588.

Almost surely, 21344502431 is an apocalyptic number.

1344502431 is a deficient number, since it is larger than the sum of its proper divisors (597556649).

1344502431 is a wasteful number, since it uses less digits than its factorization.

1344502431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149389165 (or 149389162 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1344502431 is about 36667.4573838983. The cubic root of 1344502431 is about 1103.7071701891.

Adding to 1344502431 its reverse (1342054431), we get a palindrome (2686556862).

The spelling of 1344502431 in words is "one billion, three hundred forty-four million, five hundred two thousand, four hundred thirty-one".

Divisors: 1 3 9 149389159 448167477 1344502431