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284425122 = 2379600053
BaseRepresentation
bin10000111100111…
…111101110100010
3201211012021220210
4100330333232202
51040303100442
644120114550
710022400522
oct2074775642
9654167823
10284425122
11136606893
127b305a56
1346c068b7
1429abb682
1519e8419c
hex10f3fba2

284425122 has 16 divisors (see below), whose sum is σ = 576051840. Its totient is φ = 93608112.

The previous prime is 284425111. The next prime is 284425123. The reversal of 284425122 is 221524482.

It is a super-3 number, since 3×2844251223 (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 284425122.

It is not an unprimeable number, because it can be changed into a prime (284425123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299553 + ... + 300500.

It is an arithmetic number, because the mean of its divisors is an integer number (36003240).

Almost surely, 2284425122 is an apocalyptic number.

284425122 is an abundant number, since it is smaller than the sum of its proper divisors (291626718).

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

284425122 is a wasteful number, since it uses less digits than its factorization.

284425122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600137.

The product of its digits is 10240, while the sum is 30.

The square root of 284425122 is about 16864.9080044926. The cubic root of 284425122 is about 657.6416611783.

It can be divided in two parts, 2844 and 25122, that added together give a triangular number (27966 = T236).

The spelling of 284425122 in words is "two hundred eighty-four million, four hundred twenty-five thousand, one hundred twenty-two".

Divisors: 1 2 3 6 79 158 237 474 600053 1200106 1800159 3600318 47404187 94808374 142212561 284425122