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117190471 is a prime number
BaseRepresentation
bin1101111110000…
…10111101000111
322011111220002211
412333002331013
5220000043341
615343444251
72622050116
oct677027507
9264456084
10117190471
1160172a32
12332b6687
131b382198
14117c7c7d
15a44d181
hex6fc2f47

117190471 has 2 divisors, whose sum is σ = 117190472. Its totient is φ = 117190470.

The previous prime is 117190457. The next prime is 117190481. The reversal of 117190471 is 174091711.

It is a strong prime.

It is an emirp because it is prime and its reverse (174091711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117190471 - 213 = 117182279 is a prime.

It is a super-3 number, since 3×1171904713 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117190481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58595235 + 58595236.

It is an arithmetic number, because the mean of its divisors is an integer number (58595236).

Almost surely, 2117190471 is an apocalyptic number.

117190471 is a deficient number, since it is larger than the sum of its proper divisors (1).

117190471 is an equidigital number, since it uses as much as digits as its factorization.

117190471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 31.

The square root of 117190471 is about 10825.4547710477. The cubic root of 117190471 is about 489.3625906033.

The spelling of 117190471 in words is "one hundred seventeen million, one hundred ninety thousand, four hundred seventy-one".