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134869797 = 3218182793
BaseRepresentation
bin10000000100111…
…11001100100101
3100101210002120200
420002133030211
5234011313142
621214421113
73225242256
oct1002371445
9311702520
10134869797
116a148747
1239201799
1321c3221a
1413caab2d
15bc9164c
hex809f325

134869797 has 12 divisors (see below), whose sum is σ = 195890604. Its totient is φ = 89415360.

The previous prime is 134869793. The next prime is 134869829. The reversal of 134869797 is 797968431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50211396 + 84658401 = 7086^2 + 9201^2 .

It is not a de Polignac number, because 134869797 - 22 = 134869793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134869793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39768 + ... + 43025.

It is an arithmetic number, because the mean of its divisors is an integer number (16324217).

Almost surely, 2134869797 is an apocalyptic number.

It is an amenable number.

134869797 is a deficient number, since it is larger than the sum of its proper divisors (61020807).

134869797 is a wasteful number, since it uses less digits than its factorization.

134869797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82980 (or 82977 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 134869797 is about 11613.3456419759. The cubic root of 134869797 is about 512.8278094740.

The spelling of 134869797 in words is "one hundred thirty-four million, eight hundred sixty-nine thousand, seven hundred ninety-seven".

Divisors: 1 3 9 181 543 1629 82793 248379 745137 14985533 44956599 134869797