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118430530 = 2511843053
BaseRepresentation
bin1110000111100…
…01101101000010
322020211220010221
413003301231002
5220304234110
615430213254
72635433341
oct703615502
9266756127
10118430530
116093a679
12337b422a
131b6c774a
1411a2bb58
15a5e57da
hex70f1b42

118430530 has 8 divisors (see below), whose sum is σ = 213174972. Its totient is φ = 47372208.

The previous prime is 118430491. The next prime is 118430531. The reversal of 118430530 is 35034811.

It can be written as a sum of positive squares in 2 ways, for example, as 110061081 + 8369449 = 10491^2 + 2893^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 118430495 and 118430504.

It is not an unprimeable number, because it can be changed into a prime (118430531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5921517 + ... + 5921536.

Almost surely, 2118430530 is an apocalyptic number.

118430530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118430530 is a deficient number, since it is larger than the sum of its proper divisors (94744442).

118430530 is a wasteful number, since it uses less digits than its factorization.

118430530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11843060.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 118430530 is about 10882.5791979659. The cubic root of 118430530 is about 491.0826125472.

The spelling of 118430530 in words is "one hundred eighteen million, four hundred thirty thousand, five hundred thirty".

Divisors: 1 2 5 10 11843053 23686106 59215265 118430530