Search a number
-
+
8981229 = 313122853
BaseRepresentation
bin100010010000…
…101011101101
3121220021221010
4202100223231
54244344404
6520255433
7136224225
oct42205355
917807833
108981229
115084804
123011579
131b25c4a
14129b085
15bc6189
hex890aed

8981229 has 8 divisors (see below), whose sum is σ = 12066912. Its totient is φ = 5941520.

The previous prime is 8981191. The next prime is 8981233. The reversal of 8981229 is 9221898.

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

It is a cyclic number.

It is not a de Polignac number, because 8981229 - 27 = 8981101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8981249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11034 + ... + 11819.

It is an arithmetic number, because the mean of its divisors is an integer number (1508364).

Almost surely, 28981229 is an apocalyptic number.

It is an amenable number.

8981229 is a deficient number, since it is larger than the sum of its proper divisors (3085683).

8981229 is a wasteful number, since it uses less digits than its factorization.

8981229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22987.

The product of its digits is 20736, while the sum is 39.

The square root of 8981229 is about 2996.8698670446. The cubic root of 8981229 is about 207.8636696012.

It can be divided in two parts, 89 and 81229, that added together give a palindrome (81318).

The spelling of 8981229 in words is "eight million, nine hundred eighty-one thousand, two hundred twenty-nine".

Divisors: 1 3 131 393 22853 68559 2993743 8981229