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117962219 = 251469969
BaseRepresentation
bin1110000011111…
…11010111101011
322012222002202002
413001333113223
5220144242334
615412201215
72631443114
oct701772753
9265862662
10117962219
116064a841
123360920b
131b59253b
141194920b
15a551b7e
hex707f5eb

117962219 has 4 divisors (see below), whose sum is σ = 118432440. Its totient is φ = 117492000.

The previous prime is 117962213. The next prime is 117962231. The reversal of 117962219 is 912269711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 912269711 = 1376658903.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-117962219 is a prime.

It is a super-2 number, since 2×1179622192 = 27830170222807922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117962213) 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, 234734 + ... + 235235.

It is an arithmetic number, because the mean of its divisors is an integer number (29608110).

Almost surely, 2117962219 is an apocalyptic number.

117962219 is a deficient number, since it is larger than the sum of its proper divisors (470221).

117962219 is an equidigital number, since it uses as much as digits as its factorization.

117962219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470220.

The product of its digits is 13608, while the sum is 38.

The square root of 117962219 is about 10861.0413404977. The cubic root of 117962219 is about 490.4344598745.

The spelling of 117962219 in words is "one hundred seventeen million, nine hundred sixty-two thousand, two hundred nineteen".

Divisors: 1 251 469969 117962219