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10307018 = 25153509
BaseRepresentation
bin100111010100…
…010111001010
3201101122120102
4213110113022
510114311033
61004525402
7153415421
oct47242712
921348512
1010307018
1158aa8a7
123550862
13219b537
1415242b8
15d88de8
hex9d45ca

10307018 has 4 divisors (see below), whose sum is σ = 15460530. Its totient is φ = 5153508.

The previous prime is 10306997. The next prime is 10307021. The reversal of 10307018 is 81070301.

10307018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 7219969 + 3087049 = 2687^2 + 1757^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2576753 + ... + 2576756.

Almost surely, 210307018 is an apocalyptic number.

10307018 is a deficient number, since it is larger than the sum of its proper divisors (5153512).

10307018 is an equidigital number, since it uses as much as digits as its factorization.

10307018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5153511.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 10307018 is about 3210.4544849600. The cubic root of 10307018 is about 217.6261161390.

Adding to 10307018 its reverse (81070301), we get a palindrome (91377319).

The spelling of 10307018 in words is "ten million, three hundred seven thousand, eighteen".

Divisors: 1 2 5153509 10307018