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117372227 = 716767461
BaseRepresentation
bin1101111111011…
…11010101000011
322011212010102112
412333233111003
5220021402402
615351405535
72623435040
oct677572503
9264763375
10117372227
1160287545
12333838ab
131b416b2b
14118341c7
15a486e52
hex6fef543

117372227 has 4 divisors (see below), whose sum is σ = 134139696. Its totient is φ = 100604760.

The previous prime is 117372223. The next prime is 117372271. The reversal of 117372227 is 722273711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722273711 = 829871259.

It is a cyclic number.

It is not a de Polignac number, because 117372227 - 22 = 117372223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117372193 and 117372202.

It is not an unprimeable number, because it can be changed into a prime (117372223) 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, 8383724 + ... + 8383737.

It is an arithmetic number, because the mean of its divisors is an integer number (33534924).

Almost surely, 2117372227 is an apocalyptic number.

117372227 is a deficient number, since it is larger than the sum of its proper divisors (16767469).

117372227 is an equidigital number, since it uses as much as digits as its factorization.

117372227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16767468.

The product of its digits is 8232, while the sum is 32.

The square root of 117372227 is about 10833.8463622113. The cubic root of 117372227 is about 489.6154514464.

The spelling of 117372227 in words is "one hundred seventeen million, three hundred seventy-two thousand, two hundred twenty-seven".

Divisors: 1 7 16767461 117372227