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117841231 = 5911091801
BaseRepresentation
bin1110000011000…
…01110101001111
322012201221210001
413001201311033
5220131404411
615405425131
72630430304
oct701416517
9265657701
10117841231
1160577952
123356b1a7
131b54c451
14119170ab
15a52adc1
hex7061d4f

117841231 has 8 divisors (see below), whose sum is σ = 120013200. Its totient is φ = 115675200.

The previous prime is 117841223. The next prime is 117841247. The reversal of 117841231 is 132148711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117841231 - 23 = 117841223 is a prime.

It is a super-2 number, since 2×1178412312 = 27773111447190722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117841231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117841201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64531 + ... + 66331.

It is an arithmetic number, because the mean of its divisors is an integer number (15001650).

Almost surely, 2117841231 is an apocalyptic number.

117841231 is a deficient number, since it is larger than the sum of its proper divisors (2171969).

117841231 is a wasteful number, since it uses less digits than its factorization.

117841231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969.

The product of its digits is 1344, while the sum is 28.

The square root of 117841231 is about 10855.4700957628. The cubic root of 117841231 is about 490.2667310804.

Adding to 117841231 its reverse (132148711), we get a palindrome (249989942).

The spelling of 117841231 in words is "one hundred seventeen million, eight hundred forty-one thousand, two hundred thirty-one".

Divisors: 1 59 1109 1801 65431 106259 1997309 117841231