Search a number
-
+
394429030 = 25163241981
BaseRepresentation
bin10111100000101…
…000001001100110
31000111012001220121
4113200220021212
51301433212110
6103045552154
712526406602
oct2740501146
91014161817
10394429030
11192710406
12b011565a
1363940978
143a554502
1524962cda
hex17828266

394429030 has 16 divisors (see below), whose sum is σ = 714330864. Its totient is φ = 156803040.

The previous prime is 394429003. The next prime is 394429033. The reversal of 394429030 is 30924493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394429033) 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, 119361 + ... + 122620.

It is an arithmetic number, because the mean of its divisors is an integer number (44645679).

Almost surely, 2394429030 is an apocalyptic number.

394429030 is a deficient number, since it is larger than the sum of its proper divisors (319901834).

394429030 is a wasteful number, since it uses less digits than its factorization.

394429030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242151.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 394429030 is about 19860.2374104642. The cubic root of 394429030 is about 733.3696908053.

The spelling of 394429030 in words is "three hundred ninety-four million, four hundred twenty-nine thousand, thirty".

Divisors: 1 2 5 10 163 326 815 1630 241981 483962 1209905 2419810 39442903 78885806 197214515 394429030