Search a number
-
+
8642073 = 311261881
BaseRepresentation
bin100000111101…
…111000011001
3121021001200210
4200331320121
54203021243
6505121333
7133312356
oct40757031
917231623
108642073
114972a10
122a89249
131a3776b
14120d62d
15b5a933
hex83de19

8642073 has 8 divisors (see below), whose sum is σ = 12570336. Its totient is φ = 5237600.

The previous prime is 8642063. The next prime is 8642077. The reversal of 8642073 is 3702468.

8642073 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 8642073 - 24 = 8642057 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8642073.

It is not an unprimeable number, because it can be changed into a prime (8642077) 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, 130908 + ... + 130973.

It is an arithmetic number, because the mean of its divisors is an integer number (1571292).

Almost surely, 28642073 is an apocalyptic number.

It is an amenable number.

8642073 is a deficient number, since it is larger than the sum of its proper divisors (3928263).

8642073 is a wasteful number, since it uses less digits than its factorization.

8642073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261895.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 8642073 is about 2939.7402946519. The cubic root of 8642073 is about 205.2135233080.

The spelling of 8642073 in words is "eight million, six hundred forty-two thousand, seventy-three".

Divisors: 1 3 11 33 261881 785643 2880691 8642073