Search a number
-
+
394005126 = 2365667521
BaseRepresentation
bin10111011111000…
…000101010000110
31000110101112102110
4113133000222012
51301331131001
6103032521450
712522662664
oct2737005206
91013345373
10394005126
11192450979
12abb50286
1363822a38
143a483c34
15248cc3d6
hex177c0a86

394005126 has 8 divisors (see below), whose sum is σ = 788010264. Its totient is φ = 131335040.

The previous prime is 394005113. The next prime is 394005167. The reversal of 394005126 is 621500493.

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

394005126 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 394005093 and 394005102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32833755 + ... + 32833766.

It is an arithmetic number, because the mean of its divisors is an integer number (98501283).

Almost surely, 2394005126 is an apocalyptic number.

394005126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

394005126 is a wasteful number, since it uses less digits than its factorization.

394005126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65667526.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 394005126 is about 19849.5623629338. The cubic root of 394005126 is about 733.1068722683.

The spelling of 394005126 in words is "three hundred ninety-four million, five thousand, one hundred twenty-six".

Divisors: 1 2 3 6 65667521 131335042 197002563 394005126