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134171768 = 23193723857
BaseRepresentation
bin1111111111101…
…00110001111000
3100100110122001202
413333310301320
5233321444033
621151433332
73216304223
oct777646170
9310418052
10134171768
1169811265
1238b25848
1321a495a3
1413b685ba
15bba48e8
hex7ff4c78

134171768 has 32 divisors (see below), whose sum is σ = 271981200. Its totient is φ = 61834752.

The previous prime is 134171767. The next prime is 134171771. The reversal of 134171768 is 867171431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134171767) 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, 6305 + ... + 17552.

Almost surely, 2134171768 is an apocalyptic number.

It is an amenable number.

134171768 is an abundant number, since it is smaller than the sum of its proper divisors (137809432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134171768 is a wasteful number, since it uses less digits than its factorization.

134171768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23919 (or 23915 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 134171768 is about 11583.2537743071. The cubic root of 134171768 is about 511.9415521660.

The spelling of 134171768 in words is "one hundred thirty-four million, one hundred seventy-one thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 19 37 38 74 76 148 152 296 703 1406 2812 5624 23857 47714 95428 190856 453283 882709 906566 1765418 1813132 3530836 3626264 7061672 16771471 33542942 67085884 134171768