117290 has 16 divisors (see below), whose sum is σ = 217512. Its totient is φ = 45504.
The previous prime is 117281. The next prime is 117307. The reversal of 117290 is 92711.
It can be written as a sum of positive squares in 4 ways, for example, as 89401 + 27889 = 299^2 + 167^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212 + ... + 528.
2117290 is an apocalyptic number.
117290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
117290 is a deficient number, since it is larger than the sum of its proper divisors (100222).
117290 is a wasteful number, since it uses less digits than its factorization.
117290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 361.
The product of its (nonzero) digits is 126, while the sum is 20.
The square root of 117290 is about 342.4762765507. The cubic root of 117290 is about 48.9501088745.
It can be divided in two parts, 117 and 290, that multiplied together give a triangular number (33930 = T260).
The spelling of 117290 in words is "one hundred seventeen thousand, two hundred ninety".
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