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38160117 = 3213730949
BaseRepresentation
bin1001000110010…
…0011011110101
32122210201211200
42101210123311
534232110432
63441523113
7642232662
oct221443365
978721750
1038160117
111a5a4296
1210943499
137ba1268
1450d4a69
15353ba7c
hex24646f5

38160117 has 12 divisors (see below), whose sum is σ = 55524300. Its totient is φ = 25253568.

The previous prime is 38160103. The next prime is 38160119. The reversal of 38160117 is 71106183.

38160117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 30902481 + 7257636 = 5559^2 + 2694^2 .

It is not a de Polignac number, because 38160117 - 211 = 38158069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38160119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14242 + ... + 16707.

It is an arithmetic number, because the mean of its divisors is an integer number (4627025).

Almost surely, 238160117 is an apocalyptic number.

It is an amenable number.

38160117 is a deficient number, since it is larger than the sum of its proper divisors (17364183).

38160117 is a wasteful number, since it uses less digits than its factorization.

38160117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31092 (or 31089 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 38160117 is about 6177.3875546221. The cubic root of 38160117 is about 336.6690802472.

The spelling of 38160117 in words is "thirty-eight million, one hundred sixty thousand, one hundred seventeen".

Divisors: 1 3 9 137 411 1233 30949 92847 278541 4240013 12720039 38160117