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304401412 = 22723220551
BaseRepresentation
bin10010001001001…
…100110000000100
3210012210012020101
4102021030300010
51110411321122
650112213444
710354240450
oct2211146004
9705705211
10304401412
11146910317
1285b3a284
134b0ac2a3
142c5db660
151bacd027
hex1224cc04

304401412 has 36 divisors (see below), whose sum is σ = 636454336. Its totient is φ = 124779600.

The previous prime is 304401403. The next prime is 304401437. The reversal of 304401412 is 214104403.

It is a self number, because there is not a number n which added to its sum of digits gives 304401412.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4537 + ... + 25087.

Almost surely, 2304401412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304401412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318227168).

304401412 is an abundant number, since it is smaller than the sum of its proper divisors (332052924).

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

304401412 is a wasteful number, since it uses less digits than its factorization.

304401412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20608 (or 20583 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 304401412 is about 17447.1032552685. The cubic root of 304401412 is about 672.6909023501.

Adding to 304401412 its reverse (214104403), we get a palindrome (518505815).

The spelling of 304401412 in words is "three hundred four million, four hundred one thousand, four hundred twelve".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 529 644 1058 2116 3703 7406 14812 20551 41102 82204 143857 287714 472673 575428 945346 1890692 3308711 6617422 10871479 13234844 21742958 43485916 76100353 152200706 304401412