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284001404 = 22151470201
BaseRepresentation
bin10000111011011…
…000010001111100
3201210101202200112
4100323120101330
51040201021104
644103045152
710015654301
oct2073302174
9653352615
10284001404
11136347505
127b1407b8
1346ab8a8b
1429a0b0a8
1519ded86e
hex10ed847c

284001404 has 12 divisors (see below), whose sum is σ = 500294928. Its totient is φ = 141060000.

The previous prime is 284001373. The next prime is 284001407. The reversal of 284001404 is 404100482.

284001404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

284001404 is a modest number, since divided by 1404 gives 284 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 284001404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284001407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234497 + ... + 235704.

It is an arithmetic number, because the mean of its divisors is an integer number (41691244).

Almost surely, 2284001404 is an apocalyptic number.

It is an amenable number.

284001404 is a deficient number, since it is larger than the sum of its proper divisors (216293524).

284001404 is a wasteful number, since it uses less digits than its factorization.

284001404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470356 (or 470354 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 284001404 is about 16852.3412023374. The cubic root of 284001404 is about 657.3149283216.

Adding to 284001404 its reverse (404100482), we get a palindrome (688101886).

The spelling of 284001404 in words is "two hundred eighty-four million, one thousand, four hundred four".

Divisors: 1 2 4 151 302 604 470201 940402 1880804 71000351 142000702 284001404