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127165045 = 5722322567
BaseRepresentation
bin1111001010001…
…10001001110101
322212021122122111
413211012021311
5230023240140
620341331021
73102612400
oct745061165
9285248574
10127165045
1165865a87
1236706a71
13204652b7
1412c62d37
15b26d7ea
hex7946275

127165045 has 24 divisors (see below), whose sum is σ = 185238144. Its totient is φ = 83403936.

The previous prime is 127165021. The next prime is 127165099. The reversal of 127165045 is 540561721.

It is not a de Polignac number, because 127165045 - 25 = 127165013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127164998 and 127165016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5649 + ... + 16918.

It is an arithmetic number, because the mean of its divisors is an integer number (7718256).

Almost surely, 2127165045 is an apocalyptic number.

It is an amenable number.

127165045 is a deficient number, since it is larger than the sum of its proper divisors (58073099).

127165045 is a wasteful number, since it uses less digits than its factorization.

127165045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22609 (or 22602 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 127165045 is about 11276.7479798034. The cubic root of 127165045 is about 502.8702188274.

The spelling of 127165045 in words is "one hundred twenty-seven million, one hundred sixty-five thousand, forty-five".

Divisors: 1 5 7 23 35 49 115 161 245 805 1127 5635 22567 112835 157969 519041 789845 1105783 2595205 3633287 5528915 18166435 25433009 127165045