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117293149 = 176899597
BaseRepresentation
bin1101111110111…
…00000001011101
322011201002221201
412333130001131
5220011340044
615345555501
72622655351
oct677340135
9264632851
10117293149
1160233096
1233345b91
131b3b9b3c
1411813461
15a46d7d4
hex6fdc05d

117293149 has 4 divisors (see below), whose sum is σ = 124192764. Its totient is φ = 110393536.

The previous prime is 117293147. The next prime is 117293159. The reversal of 117293149 is 941392711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 109056249 + 8236900 = 10443^2 + 2870^2 .

It is a cyclic number.

It is not a de Polignac number, because 117293149 - 21 = 117293147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117293147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3449782 + ... + 3449815.

It is an arithmetic number, because the mean of its divisors is an integer number (31048191).

Almost surely, 2117293149 is an apocalyptic number.

It is an amenable number.

117293149 is a deficient number, since it is larger than the sum of its proper divisors (6899615).

117293149 is an equidigital number, since it uses as much as digits as its factorization.

117293149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6899614.

The product of its digits is 13608, while the sum is 37.

The square root of 117293149 is about 10830.1961662751. The cubic root of 117293149 is about 489.5054694114.

It can be divided in two parts, 11729 and 3149, that added together give a triangular number (14878 = T172).

The spelling of 117293149 in words is "one hundred seventeen million, two hundred ninety-three thousand, one hundred forty-nine".

Divisors: 1 17 6899597 117293149