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117440443 = 380330881
BaseRepresentation
bin1101111111111…
…11111110111011
322011222121000001
412333333332323
5220031043233
615353053431
72624140651
oct677777673
9264877001
10117440443
116032381a
12333b7277
131b43bbb3
1411850dd1
15a49c27d
hex6ffffbb

117440443 has 4 divisors (see below), whose sum is σ = 117475128. Its totient is φ = 117405760.

The previous prime is 117440423. The next prime is 117440473. The reversal of 117440443 is 344044711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344044711 = 834145117.

It is a cyclic number.

It is not a de Polignac number, because 117440443 - 217 = 117309371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117440423) 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, 11638 + ... + 19243.

It is an arithmetic number, because the mean of its divisors is an integer number (29368782).

Almost surely, 2117440443 is an apocalyptic number.

117440443 is a deficient number, since it is larger than the sum of its proper divisors (34685).

117440443 is an equidigital number, since it uses as much as digits as its factorization.

117440443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34684.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 117440443 is about 10836.9941865814. The cubic root of 117440443 is about 489.7102868830.

The spelling of 117440443 in words is "one hundred seventeen million, four hundred forty thousand, four hundred forty-three".

Divisors: 1 3803 30881 117440443