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134485431 = 371631387
BaseRepresentation
bin10000000010000…
…01010110110111
3100101001120022220
420001001112313
5233412013211
621202253423
73222051543
oct1001012667
9311046286
10134485431
1169a05993
1239057273
1321b292a2
1413c0aa23
15bc17806
hex80415b7

134485431 has 8 divisors (see below), whose sum is σ = 181839744. Its totient is φ = 88394040.

The previous prime is 134485427. The next prime is 134485451. The reversal of 134485431 is 134584431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134485431 - 22 = 134485427 is a prime.

It is a super-2 number, since 2×1344854312 = 36172662302511522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134485392 and 134485401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134485451) 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 7 ways as a sum of consecutive naturals, for example, 315481 + ... + 315906.

It is an arithmetic number, because the mean of its divisors is an integer number (22729968).

Almost surely, 2134485431 is an apocalyptic number.

134485431 is a deficient number, since it is larger than the sum of its proper divisors (47354313).

134485431 is an equidigital number, since it uses as much as digits as its factorization.

134485431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631461.

The product of its digits is 23040, while the sum is 33.

The square root of 134485431 is about 11596.7853735421. The cubic root of 134485431 is about 512.3401759024.

The spelling of 134485431 in words is "one hundred thirty-four million, four hundred eighty-five thousand, four hundred thirty-one".

Divisors: 1 3 71 213 631387 1894161 44828477 134485431