Search a number
-
+
8939121 = 328310529
BaseRepresentation
bin100010000110…
…011001110001
3121211011011120
4202012121301
54242022441
6515332453
7135660402
oct42063161
917734146
108939121
115056104
122bb1129
131b0ca29
1412899a9
15bb8966
hex886671

8939121 has 8 divisors (see below), whose sum is σ = 11962080. Its totient is φ = 5937792.

The previous prime is 8939057. The next prime is 8939131. The reversal of 8939121 is 1219398.

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

It is not a de Polignac number, because 8939121 - 26 = 8939057 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8939131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4416 + ... + 6113.

It is an arithmetic number, because the mean of its divisors is an integer number (1495260).

Almost surely, 28939121 is an apocalyptic number.

It is an amenable number.

8939121 is a deficient number, since it is larger than the sum of its proper divisors (3022959).

8939121 is a wasteful number, since it uses less digits than its factorization.

8939121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10815.

The product of its digits is 3888, while the sum is 33.

The square root of 8939121 is about 2989.8362831433. The cubic root of 8939121 is about 207.5383081157.

The spelling of 8939121 in words is "eight million, nine hundred thirty-nine thousand, one hundred twenty-one".

Divisors: 1 3 283 849 10529 31587 2979707 8939121