Search a number
-
+
117755471 = 1031143257
BaseRepresentation
bin1110000010011…
…00111001001111
322012120121010202
413001030321033
5220121133341
615403524115
72626622261
oct701147117
9265517122
10117755471
1160519479
123352963b
131b51c3c2
14118d3b31
15a51079b
hex704ce4f

117755471 has 4 divisors (see below), whose sum is σ = 118898832. Its totient is φ = 116612112.

The previous prime is 117755467. The next prime is 117755501. The reversal of 117755471 is 174557711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117755471 - 22 = 117755467 is a prime.

It is a super-3 number, since 3×1177554713 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117755411) 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, 571526 + ... + 571731.

It is an arithmetic number, because the mean of its divisors is an integer number (29724708).

Almost surely, 2117755471 is an apocalyptic number.

117755471 is a deficient number, since it is larger than the sum of its proper divisors (1143361).

117755471 is a wasteful number, since it uses less digits than its factorization.

117755471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143360.

The product of its digits is 34300, while the sum is 38.

The square root of 117755471 is about 10851.5192945504. The cubic root of 117755471 is about 490.1477702316.

The spelling of 117755471 in words is "one hundred seventeen million, seven hundred fifty-five thousand, four hundred seventy-one".

Divisors: 1 103 1143257 117755471