Search a number
-
+
8338842 = 233154423
BaseRepresentation
bin11111110011110110011010
3120200122202000
4133303312122
54113320332
6454421430
7130610331
oct37636632
916618660
108338842
114786106
122961876
13195c735
141170d18
15aeab7c
hex7f3d9a

8338842 has 16 divisors (see below), whose sum is σ = 18530880. Its totient is φ = 2779596.

The previous prime is 8338829. The next prime is 8338849. The reversal of 8338842 is 2488338.

It is a happy number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8338797 and 8338806.

It is not an unprimeable number, because it can be changed into a prime (8338849) 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, 77158 + ... + 77265.

It is an arithmetic number, because the mean of its divisors is an integer number (1158180).

Almost surely, 28338842 is an apocalyptic number.

8338842 is an abundant number, since it is smaller than the sum of its proper divisors (10192038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8338842 is a wasteful number, since it uses less digits than its factorization.

8338842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154434 (or 154428 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 8338842 is about 2887.7053173757. The cubic root of 8338842 is about 202.7847297770.

It can be divided in two parts, 8338 and 842, that added together give a triangular number (9180 = T135).

The spelling of 8338842 in words is "eight million, three hundred thirty-eight thousand, eight hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 154423 308846 463269 926538 1389807 2779614 4169421 8338842