Search a number
-
+
117270149 = 127923387
BaseRepresentation
bin1101111110101…
…10011010000101
322011122221101212
412333112122011
5220010121044
615345301205
72622531323
oct677263205
9264587355
10117270149
1160217887
1233334805
131b3ac529
1411808d13
15a466a9e
hex6fd6685

117270149 has 4 divisors (see below), whose sum is σ = 118193664. Its totient is φ = 116346636.

The previous prime is 117270137. The next prime is 117270151. The reversal of 117270149 is 941072711.

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 117270149 - 24 = 117270133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117270449) 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, 461567 + ... + 461820.

It is an arithmetic number, because the mean of its divisors is an integer number (29548416).

Almost surely, 2117270149 is an apocalyptic number.

It is an amenable number.

117270149 is a deficient number, since it is larger than the sum of its proper divisors (923515).

117270149 is an equidigital number, since it uses as much as digits as its factorization.

117270149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923514.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 117270149 is about 10829.1342682599. The cubic root of 117270149 is about 489.4734716295.

The spelling of 117270149 in words is "one hundred seventeen million, two hundred seventy thousand, one hundred forty-nine".

Divisors: 1 127 923387 117270149