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118427 = 1923271
BaseRepresentation
bin11100111010011011
320000110012
4130322123
512242202
62312135
71002161
oct347233
9200405
10118427
1180a81
125864b
1341b9a
1431231
1525152
hex1ce9b

118427 has 8 divisors (see below), whose sum is σ = 130560. Its totient is φ = 106920.

The previous prime is 118423. The next prime is 118429. The reversal of 118427 is 724811.

118427 is nontrivially palindromic in base 15.

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 118427 - 22 = 118423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a d-powerful number, because it can be written as 1 + 1 + 44 + 8 + 29 + 76 .

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 118427.

It is not an unprimeable number, because it can be changed into a prime (118423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302 + ... + 572.

It is an arithmetic number, because the mean of its divisors is an integer number (16320).

2118427 is an apocalyptic number.

118427 is a deficient number, since it is larger than the sum of its proper divisors (12133).

118427 is a wasteful number, since it uses less digits than its factorization.

118427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313.

The product of its digits is 448, while the sum is 23.

The square root of 118427 is about 344.1322420233. The cubic root of 118427 is about 49.1077733347.

It can be divided in two parts, 118 and 427, that added together give a palindrome (545).

The spelling of 118427 in words is "one hundred eighteen thousand, four hundred twenty-seven".

Divisors: 1 19 23 271 437 5149 6233 118427