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104117431 = 119465221
BaseRepresentation
bin1100011010010…
…11010010110111
321020220201021011
412031023102313
5203123224211
614155333051
72402661235
oct615132267
9236821234
10104117431
1153853a70
122aa51187
1318755962
14db83955
159219921
hex634b4b7

104117431 has 4 divisors (see below), whose sum is σ = 113582664. Its totient is φ = 94652200.

The previous prime is 104117411. The next prime is 104117449. The reversal of 104117431 is 134711401.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 104117431 - 25 = 104117399 is a prime.

It is a super-2 number, since 2×1041174312 = 21680878876079522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104117411) 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, 4732600 + ... + 4732621.

It is an arithmetic number, because the mean of its divisors is an integer number (28395666).

Almost surely, 2104117431 is an apocalyptic number.

104117431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

104117431 is a deficient number, since it is larger than the sum of its proper divisors (9465233).

104117431 is an equidigital number, since it uses as much as digits as its factorization.

104117431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9465232.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 104117431 is about 10203.7949312988. The cubic root of 104117431 is about 470.4438706997.

Adding to 104117431 its reverse (134711401), we get a palindrome (238828832).

The spelling of 104117431 in words is "one hundred four million, one hundred seventeen thousand, four hundred thirty-one".

Divisors: 1 11 9465221 104117431