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116161173 = 3225750221
BaseRepresentation
bin1101110110001…
…11101010010101
322002120121011200
412323013222111
5214214124143
615305423113
72610232212
oct673075225
9262517150
10116161173
115a62a677
1232a9aa99
131b0b182b
14115dab09
15a2e81d3
hex6ec7a95

116161173 has 12 divisors (see below), whose sum is σ = 168444588. Its totient is φ = 77137920.

The previous prime is 116161151. The next prime is 116161181. The reversal of 116161173 is 371161611.

It can be written as a sum of positive squares in 2 ways, for example, as 73153809 + 43007364 = 8553^2 + 6558^2 .

It is not a de Polignac number, because 116161173 - 214 = 116144789 is a prime.

It is a super-2 number, since 2×1161611732 = 26986836225471858, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116161273) 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, 22798 + ... + 27423.

It is an arithmetic number, because the mean of its divisors is an integer number (14037049).

Almost surely, 2116161173 is an apocalyptic number.

It is an amenable number.

116161173 is a deficient number, since it is larger than the sum of its proper divisors (52283415).

116161173 is a wasteful number, since it uses less digits than its factorization.

116161173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50484 (or 50481 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 116161173 is about 10777.8092857500. The cubic root of 116161173 is about 487.9256652990.

The spelling of 116161173 in words is "one hundred sixteen million, one hundred sixty-one thousand, one hundred seventy-three".

Divisors: 1 3 9 257 771 2313 50221 150663 451989 12906797 38720391 116161173