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117080281 = 235090447
BaseRepresentation
bin1101111101010…
…00000011011001
322011022021221201
412332220003121
5214433032111
615341234201
72621110633
oct676500331
9264267851
10117080281
11600a816a
1233262961
131b343c96
1411799a53
15a42a6c1
hex6fa80d9

117080281 has 4 divisors (see below), whose sum is σ = 122170752. Its totient is φ = 111989812.

The previous prime is 117080269. The next prime is 117080287. The reversal of 117080281 is 182080711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117080281 - 29 = 117079769 is a prime.

It is a super-2 number, since 2×1170802812 = 27415584398077922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117080287) 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, 2545201 + ... + 2545246.

It is an arithmetic number, because the mean of its divisors is an integer number (30542688).

Almost surely, 2117080281 is an apocalyptic number.

It is an amenable number.

117080281 is a deficient number, since it is larger than the sum of its proper divisors (5090471).

117080281 is an equidigital number, since it uses as much as digits as its factorization.

117080281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5090470.

The product of its (nonzero) digits is 896, while the sum is 28.

The square root of 117080281 is about 10820.3641805625. The cubic root of 117080281 is about 489.2091658046.

The spelling of 117080281 in words is "one hundred seventeen million, eighty thousand, two hundred eighty-one".

Divisors: 1 23 5090447 117080281