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284057316 = 2232534
BaseRepresentation
bin10000111011100…
…101111011100100
3201210111121101100
4100323211323210
51040204313231
644104200100
710016306304
oct2073457344
9653447340
10284057316
11136385514
127b169030
1346b0836a
1429a23604
1519e101e6
hex10ee5ee4

284057316 has 45 divisors (see below), whose sum is σ = 731842111. Its totient is φ = 92899248.

The previous prime is 284057303. The next prime is 284057317. The reversal of 284057316 is 613750482.

The square root of 284057316 is 16854.

It is a perfect power (a square), and thus also a powerful number.

284057316 is a `hidden beast` number, since 2 + 84 + 0 + 573 + 1 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55442916 + 228614400 = 7446^2 + 15120^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (284057317) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 5359546 + ... + 5359598.

Almost surely, 2284057316 is an apocalyptic number.

284057316 is the 16854-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 284057316

284057316 is an abundant number, since it is smaller than the sum of its proper divisors (447784795).

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

284057316 is an frugal number, since it uses more digits than its factorization.

284057316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The cubic root of 284057316 is about 657.3580611844.

Multiplying 284057316 by its sum of digits (36), we get a 4-th power (10226063376 = 3184).

284057316 divided by its sum of digits (36) gives a 4-th power (7890481 = 534).

It can be divided in two parts, 28405 and 7316, that added together give a square (35721 = 1892).

The spelling of 284057316 in words is "two hundred eighty-four million, fifty-seven thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 53 106 159 212 318 477 636 954 1908 2809 5618 8427 11236 16854 25281 33708 50562 101124 148877 297754 446631 595508 893262 1339893 1786524 2679786 5359572 7890481 15780962 23671443 31561924 47342886 71014329 94685772 142028658 284057316