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134492431 = 1923213381
BaseRepresentation
bin10000000010000…
…11000100001111
3100101001220221011
420001003010033
5233412224211
621202350051
73222111133
oct1001030417
9311056834
10134492431
1169a10177
123905b327
1321b2c528
1413c0d3c3
15bc19921
hex804310f

134492431 has 12 divisors (see below), whose sum is σ = 148004920. Its totient is φ = 121865040.

The previous prime is 134492417. The next prime is 134492437. The reversal of 134492431 is 134294431.

It is not a de Polignac number, because 134492431 - 213 = 134484239 is a prime.

It is a super-2 number, since 2×1344924312 = 36176427992579522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134492393 and 134492402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134492437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3361 + ... + 16741.

Almost surely, 2134492431 is an apocalyptic number.

134492431 is a deficient number, since it is larger than the sum of its proper divisors (13512489).

134492431 is a wasteful number, since it uses less digits than its factorization.

134492431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13446 (or 13423 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 134492431 is about 11597.0871773907. The cubic root of 134492431 is about 512.3490648925.

The spelling of 134492431 in words is "one hundred thirty-four million, four hundred ninety-two thousand, four hundred thirty-one".

Divisors: 1 19 23 437 529 10051 13381 254239 307763 5847497 7078549 134492431