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117430023 = 339143341
BaseRepresentation
bin1101111111111…
…01011100000111
322011222001201010
412333331130013
5220030230043
615352533303
72624065404
oct677753407
9264861633
10117430023
1160316a07
12333b1233
131b437229
141184b2ab
15a499133
hex6ffd707

117430023 has 4 divisors (see below), whose sum is σ = 156573368. Its totient is φ = 78286680.

The previous prime is 117430003. The next prime is 117430031. The reversal of 117430023 is 320034711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320034711 = 3106678237.

It is not a de Polignac number, because 117430023 - 26 = 117429959 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 (117430003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19571668 + ... + 19571673.

It is an arithmetic number, because the mean of its divisors is an integer number (39143342).

Almost surely, 2117430023 is an apocalyptic number.

117430023 is a deficient number, since it is larger than the sum of its proper divisors (39143345).

117430023 is an equidigital number, since it uses as much as digits as its factorization.

117430023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39143344.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 117430023 is about 10836.5134153011. The cubic root of 117430023 is about 489.6958031384.

Adding to 117430023 its reverse (320034711), we get a palindrome (437464734).

The spelling of 117430023 in words is "one hundred seventeen million, four hundred thirty thousand, twenty-three".

Divisors: 1 3 39143341 117430023