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118406941 = 784115101
BaseRepresentation
bin1110000111010…
…11111100011101
322020210200210021
413003223330131
5220303010231
615425512141
72635304512
oct703537435
9266720707
10118406941
1160923984
12337a2651
131b6b9aa3
1411a23309
15a5dd811
hex70ebf1d

118406941 has 4 divisors (see below), whose sum is σ = 118429884. Its totient is φ = 118384000.

The previous prime is 118406933. The next prime is 118406957. The reversal of 118406941 is 149604811.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26822041 + 91584900 = 5179^2 + 9570^2 .

It is a cyclic number.

It is not a de Polignac number, because 118406941 - 23 = 118406933 is a prime.

It is a super-4 number, since 4×1184069414 (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118406897 and 118406906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118406741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291 + ... + 15391.

It is an arithmetic number, because the mean of its divisors is an integer number (29607471).

Almost surely, 2118406941 is an apocalyptic number.

It is an amenable number.

118406941 is a deficient number, since it is larger than the sum of its proper divisors (22943).

118406941 is an equidigital number, since it uses as much as digits as its factorization.

118406941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22942.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 118406941 is about 10881.4953476073. The cubic root of 118406941 is about 491.0500057609.

It can be divided in two parts, 11840 and 6941, that added together give a palindrome (18781).

The spelling of 118406941 in words is "one hundred eighteen million, four hundred six thousand, nine hundred forty-one".

Divisors: 1 7841 15101 118406941