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117427207 = 631186097
BaseRepresentation
bin1101111111111…
…00110000000111
322011221220211211
412333330300013
5220030132312
615352512251
72624054242
oct677746007
9264856754
10117427207
1160314887
12333ab687
131b435b71
141184a259
15a4983a7
hex6ffcc07

117427207 has 4 divisors (see below), whose sum is σ = 117613936. Its totient is φ = 117240480.

The previous prime is 117427199. The next prime is 117427217. The reversal of 117427207 is 702724711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702724711 = 1354055747.

It is a cyclic number.

It is not a de Polignac number, because 117427207 - 23 = 117427199 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 (117427217) 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 in 3 ways as a sum of consecutive naturals, for example, 92418 + ... + 93679.

It is an arithmetic number, because the mean of its divisors is an integer number (29403484).

Almost surely, 2117427207 is an apocalyptic number.

117427207 is a deficient number, since it is larger than the sum of its proper divisors (186729).

117427207 is an equidigital number, since it uses as much as digits as its factorization.

117427207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186728.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 117427207 is about 10836.3834834321. The cubic root of 117427207 is about 489.6918887664.

The spelling of 117427207 in words is "one hundred seventeen million, four hundred twenty-seven thousand, two hundred seven".

Divisors: 1 631 186097 117427207