Search a number
-
+
8979241 = 29309629
BaseRepresentation
bin100010010000…
…001100101001
3121220012012111
4202100030221
54244313431
6520242321
7136215355
oct42201451
917805174
108979241
115083267
1230103a1
131b2507b
14129a465
15bc57b1
hex890329

8979241 has 4 divisors (see below), whose sum is σ = 9288900. Its totient is φ = 8669584.

The previous prime is 8979233. The next prime is 8979251. The reversal of 8979241 is 1429798.

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 4995225 + 3984016 = 2235^2 + 1996^2 .

It is a cyclic number.

It is not a de Polignac number, because 8979241 - 23 = 8979233 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8979194 and 8979203.

It is not an unprimeable number, because it can be changed into a prime (8979211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154786 + ... + 154843.

It is an arithmetic number, because the mean of its divisors is an integer number (2322225).

Almost surely, 28979241 is an apocalyptic number.

It is an amenable number.

8979241 is a deficient number, since it is larger than the sum of its proper divisors (309659).

8979241 is a wasteful number, since it uses less digits than its factorization.

8979241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309658.

The product of its digits is 36288, while the sum is 40.

The square root of 8979241 is about 2996.5381692880. The cubic root of 8979241 is about 207.8483315568.

The spelling of 8979241 in words is "eight million, nine hundred seventy-nine thousand, two hundred forty-one".

Divisors: 1 29 309629 8979241