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4270842 = 232172821
BaseRepresentation
bin10000010010101011111010
322000222111100
4100102223322
52043131332
6231312230
751205302
oct20225372
98028440
104270842
112457824
12151b676
13b66c34
147d2602
1559567c
hex412afa

4270842 has 36 divisors (see below), whose sum is σ = 9841806. Its totient is φ = 1338240.

The previous prime is 4270841. The next prime is 4270853. The reversal of 4270842 is 2480724.

It can be written as a sum of positive squares in 3 ways, for example, as 4076361 + 194481 = 2019^2 + 441^2 .

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (4270841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4792 + ... + 5612.

Almost surely, 24270842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4270842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4920903).

4270842 is an abundant number, since it is smaller than the sum of its proper divisors (5570964).

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

4270842 is a wasteful number, since it uses less digits than its factorization.

4270842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 4270842 is about 2066.6015581142. The cubic root of 4270842 is about 162.2449426765.

The spelling of 4270842 in words is "four million, two hundred seventy thousand, eight hundred forty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 289 306 578 821 867 1642 1734 2463 2601 4926 5202 7389 13957 14778 27914 41871 83742 125613 237269 251226 474538 711807 1423614 2135421 4270842