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282428242 = 2171572337
BaseRepresentation
bin10000110101011…
…000001101010010
3201200102211201021
4100311120031102
51034300200432
644005230054
76666412645
oct2065301522
9650384637
10282428242
11135472578
127a70232a
1346687a05
142971ba5c
1519bdc697
hex10d58352

282428242 has 24 divisors (see below), whose sum is σ = 452777364. Its totient is φ = 131668992.

The previous prime is 282428227. The next prime is 282428243. The reversal of 282428242 is 242824282.

282428242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 90079081 + 192349161 = 9491^2 + 13869^2 .

It is a super-3 number, since 3×2824282423 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 282428198 and 282428207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282428243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 837898 + ... + 838234.

Almost surely, 2282428242 is an apocalyptic number.

282428242 is a deficient number, since it is larger than the sum of its proper divisors (170349122).

282428242 is a wasteful number, since it uses less digits than its factorization.

282428242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 513 counting only the distinct ones).

The product of its digits is 32768, while the sum is 34.

The square root of 282428242 is about 16805.6015066406. The cubic root of 282428242 is about 656.0989976140.

The spelling of 282428242 in words is "two hundred eighty-two million, four hundred twenty-eight thousand, two hundred forty-two".

Divisors: 1 2 17 34 157 314 337 674 2669 5338 5729 11458 24649 49298 52909 105818 419033 838066 899453 1798906 8306713 16613426 141214121 282428242