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134257983 = 3153129231
BaseRepresentation
bin10000000000010…
…01110100111111
3100100122000022220
420000021310333
5233332223413
621153340423
73220113456
oct1000116477
9310560286
10134257983
1169870012
1238b67713
1321a798c2
1413b8bb9d
15bbc0223
hex8009d3f

134257983 has 8 divisors (see below), whose sum is σ = 179133696. Its totient is φ = 89443800.

The previous prime is 134257961. The next prime is 134257999. The reversal of 134257983 is 389752431.

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

It is not a de Polignac number, because 134257983 - 25 = 134257951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134257913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10023 + ... + 19208.

It is an arithmetic number, because the mean of its divisors is an integer number (22391712).

Almost surely, 2134257983 is an apocalyptic number.

134257983 is a deficient number, since it is larger than the sum of its proper divisors (44875713).

134257983 is a wasteful number, since it uses less digits than its factorization.

134257983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30765.

The product of its digits is 181440, while the sum is 42.

The square root of 134257983 is about 11586.9747130129. The cubic root of 134257983 is about 512.0511817630.

The spelling of 134257983 in words is "one hundred thirty-four million, two hundred fifty-seven thousand, nine hundred eighty-three".

Divisors: 1 3 1531 4593 29231 87693 44752661 134257983