Search a number
-
+
8630390 = 251750767
BaseRepresentation
bin100000111011…
…000001110110
3121020110200002
4200323001312
54202133030
6504551302
7133233326
oct40730166
917213602
108630390
11496515a
122a82532
131a32352
141209286
15b57245
hex83b076

8630390 has 16 divisors (see below), whose sum is σ = 16448832. Its totient is φ = 3249024.

The previous prime is 8630387. The next prime is 8630417. The reversal of 8630390 is 930368.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 25214 + ... + 25553.

It is an arithmetic number, because the mean of its divisors is an integer number (1028052).

Almost surely, 28630390 is an apocalyptic number.

8630390 is a deficient number, since it is larger than the sum of its proper divisors (7818442).

8630390 is a wasteful number, since it uses less digits than its factorization.

8630390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50791.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 8630390 is about 2937.7525423357. The cubic root of 8630390 is about 205.1210072808.

The spelling of 8630390 in words is "eight million, six hundred thirty thousand, three hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 50767 101534 253835 507670 863039 1726078 4315195 8630390