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304001422 = 21497431373
BaseRepresentation
bin10010000111101…
…011000110001110
3210012000212112221
4102013223012032
51110311021142
650055445554
710350653344
oct2207530616
9705025487
10304001422
1114666784a
12859868ba
134ac9c1ca
142c535994
151ba4e767
hex121eb18e

304001422 has 16 divisors (see below), whose sum is σ = 460015200. Its totient is φ = 150667552.

The previous prime is 304001417. The next prime is 304001431. The reversal of 304001422 is 224100403.

It is a junction number, because it is equal to n+sod(n) for n = 304001396 and 304001405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220728 + ... + 222100.

It is an arithmetic number, because the mean of its divisors is an integer number (28750950).

Almost surely, 2304001422 is an apocalyptic number.

304001422 is a deficient number, since it is larger than the sum of its proper divisors (156013778).

304001422 is a wasteful number, since it uses less digits than its factorization.

304001422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 304001422 is about 17435.6365527617. The cubic root of 304001422 is about 672.3961297636.

Adding to 304001422 its reverse (224100403), we get a palindrome (528101825).

The spelling of 304001422 in words is "three hundred four million, one thousand, four hundred twenty-two".

Divisors: 1 2 149 298 743 1373 1486 2746 110707 204577 221414 409154 1020139 2040278 152000711 304001422