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134383431 = 3721370321
BaseRepresentation
bin10000000001010…
…00011101000111
3100100212101102010
420000220131013
5233400232211
621200145303
73221145300
oct1000503507
9310771363
10134383431
1169946296
1239008233
1321ac1a30
1413bc17a7
15bbe74a6
hex8028747

134383431 has 24 divisors (see below), whose sum is σ = 224467824. Its totient is φ = 70882560.

The previous prime is 134383423. The next prime is 134383451.

134383431 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 134383431 - 23 = 134383423 is a prime.

It is a super-4 number, since 4×1343834314 (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134383451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33250 + ... + 37071.

It is an arithmetic number, because the mean of its divisors is an integer number (9352826).

Almost surely, 2134383431 is an apocalyptic number.

134383431 is a deficient number, since it is larger than the sum of its proper divisors (90084393).

134383431 is a wasteful number, since it uses less digits than its factorization.

134383431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70351 (or 70344 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 134383431 is about 11592.3867689100. The cubic root of 134383431 is about 512.2106156099.

The spelling of 134383431 in words is "one hundred thirty-four million, three hundred eighty-three thousand, four hundred thirty-one".

Divisors: 1 3 7 13 21 39 49 91 147 273 637 1911 70321 210963 492247 914173 1476741 2742519 3445729 6399211 10337187 19197633 44794477 134383431