Search a number
-
+
7145266 = 217891997
BaseRepresentation
bin11011010000011100110010
3111110000110111
4123100130302
53312122031
6413051534
7114506452
oct33203462
914400414
107145266
114040387
122486baa
13163238b
14d3dd62
159621b1
hex6d0732

7145266 has 8 divisors (see below), whose sum is σ = 10729260. Its totient is φ = 3568848.

The previous prime is 7145251. The next prime is 7145291. The reversal of 7145266 is 6625417.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7134241 + 11025 = 2671^2 + 105^2 .

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, 2580 + ... + 4576.

Almost surely, 27145266 is an apocalyptic number.

7145266 is a deficient number, since it is larger than the sum of its proper divisors (3583994).

7145266 is a wasteful number, since it uses less digits than its factorization.

7145266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788.

The product of its digits is 10080, while the sum is 31.

The square root of 7145266 is about 2673.0630370420. The cubic root of 7145266 is about 192.6073253203.

The spelling of 7145266 in words is "seven million, one hundred forty-five thousand, two hundred sixty-six".

Divisors: 1 2 1789 1997 3578 3994 3572633 7145266