Search a number
-
+
117842353 = 211155823
BaseRepresentation
bin1110000011000…
…10000110110001
322012202000022121
413001202012301
5220131423403
615405434241
72630433466
oct701420661
9265660277
10117842353
1160578782
123356b981
131b54cb05
141191766d
15a52b3bd
hex70621b1

117842353 has 4 divisors (see below), whose sum is σ = 117900288. Its totient is φ = 117784420.

The previous prime is 117842327. The next prime is 117842357. The reversal of 117842353 is 353248711.

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, and also an emirpimes, since its reverse is a distinct semiprime: 353248711 = 2931205627.

It is a cyclic number.

It is not a de Polignac number, because 117842353 - 213 = 117834161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117842357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25801 + ... + 30022.

It is an arithmetic number, because the mean of its divisors is an integer number (29475072).

Almost surely, 2117842353 is an apocalyptic number.

It is an amenable number.

117842353 is a deficient number, since it is larger than the sum of its proper divisors (57935).

117842353 is an equidigital number, since it uses as much as digits as its factorization.

117842353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57934.

The product of its digits is 20160, while the sum is 34.

The square root of 117842353 is about 10855.5217746546. The cubic root of 117842353 is about 490.2682870653.

The spelling of 117842353 in words is "one hundred seventeen million, eight hundred forty-two thousand, three hundred fifty-three".

Divisors: 1 2111 55823 117842353