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18255002 = 253172217
BaseRepresentation
bin100010110100…
…0110010011010
31021100110011012
41011220302122
514133130002
61451133522
7311110403
oct105506232
937313135
1018255002
11a339287
1261442a2
133a2209c
1425d29aa
151908d52
hex1168c9a

18255002 has 8 divisors (see below), whose sum is σ = 27899316. Its totient is φ = 8955232.

The previous prime is 18254983. The next prime is 18255019. The reversal of 18255002 is 20055281.

It can be written as a sum of positive squares in 2 ways, for example, as 17547721 + 707281 = 4189^2 + 841^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 86003 + ... + 86214.

Almost surely, 218255002 is an apocalyptic number.

18255002 is a deficient number, since it is larger than the sum of its proper divisors (9644314).

18255002 is a wasteful number, since it uses less digits than its factorization.

18255002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172272.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 18255002 is about 4272.5872723679. The cubic root of 18255002 is about 263.3059228355.

The spelling of 18255002 in words is "eighteen million, two hundred fifty-five thousand, two".

Divisors: 1 2 53 106 172217 344434 9127501 18255002