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117050305 = 523410061
BaseRepresentation
bin1101111101000…
…00101111000001
322011020202211111
412332200233001
5214431102210
615340443321
72620624351
oct676405701
9264222744
10117050305
1160087699
1233249541
131b333448
141178cb61
15a42188a
hex6fa0bc1

117050305 has 4 divisors (see below), whose sum is σ = 140460372. Its totient is φ = 93640240.

The previous prime is 117050303. The next prime is 117050309. The reversal of 117050305 is 503050711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503050711 = 1373671903.

It can be written as a sum of positive squares in 2 ways, for example, as 60078001 + 56972304 = 7751^2 + 7548^2 .

It is not a de Polignac number, because 117050305 - 21 = 117050303 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117050303) 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, 11705026 + ... + 11705035.

It is an arithmetic number, because the mean of its divisors is an integer number (35115093).

Almost surely, 2117050305 is an apocalyptic number.

It is an amenable number.

117050305 is a deficient number, since it is larger than the sum of its proper divisors (23410067).

117050305 is an equidigital number, since it uses as much as digits as its factorization.

117050305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23410066.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 117050305 is about 10818.9789259431. The cubic root of 117050305 is about 489.1674115897.

The spelling of 117050305 in words is "one hundred seventeen million, fifty thousand, three hundred five".

Divisors: 1 5 23410061 117050305