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134792881 = 1779167601
BaseRepresentation
bin10000000100011…
…00011010110001
3100101122012001221
420002030122301
5234001333011
621213025041
73224502106
oct1002143261
9311565057
10134792881
116a0a5983
1239185181
1321c06202
1413c8aaad
15bc78971
hex808c6b1

134792881 has 16 divisors (see below), whose sum is σ = 145635840. Its totient is φ = 124300800.

The previous prime is 134792873. The next prime is 134792891. The reversal of 134792881 is 188297431.

It is a cyclic number.

It is not a de Polignac number, because 134792881 - 23 = 134792873 is a prime.

It is a super-2 number, since 2×1347928812 = 36338241536560322, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (96768) is a multiple of the sum of its prime divisors (864).

It is not an unprimeable number, because it can be changed into a prime (134792891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223981 + ... + 224581.

It is an arithmetic number, because the mean of its divisors is an integer number (9102240).

Almost surely, 2134792881 is an apocalyptic number.

It is an amenable number.

134792881 is a deficient number, since it is larger than the sum of its proper divisors (10842959).

134792881 is a wasteful number, since it uses less digits than its factorization.

134792881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864.

The product of its digits is 96768, while the sum is 43.

The square root of 134792881 is about 11610.0336347489. The cubic root of 134792881 is about 512.7303026799.

The spelling of 134792881 in words is "one hundred thirty-four million, seven hundred ninety-two thousand, eight hundred eighty-one".

Divisors: 1 17 79 167 601 1343 2839 10217 13193 47479 100367 224281 807143 1706239 7928993 134792881