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4289838 = 237102139
BaseRepresentation
bin10000010111010100101110
322001221112220
4100113110232
52044233323
6231540210
751314550
oct20272456
98057486
104289838
112470023
12152a666
13b72787
147d94d0
1559b0e3
hex41752e

4289838 has 16 divisors (see below), whose sum is σ = 9805440. Its totient is φ = 1225656.

The previous prime is 4289837. The next prime is 4289849. The reversal of 4289838 is 8389824.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 102139 = 4289838 / (4 + 2 + 8 + 9 + 8 + 3 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 4289838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4289833) 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 7 ways as a sum of consecutive naturals, for example, 51028 + ... + 51111.

It is an arithmetic number, because the mean of its divisors is an integer number (612840).

Almost surely, 24289838 is an apocalyptic number.

4289838 is an abundant number, since it is smaller than the sum of its proper divisors (5515602).

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

4289838 is a wasteful number, since it uses less digits than its factorization.

4289838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102151.

The product of its digits is 110592, while the sum is 42.

The square root of 4289838 is about 2071.1924101831. The cubic root of 4289838 is about 162.4851331567.

The spelling of 4289838 in words is "four million, two hundred eighty-nine thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 102139 204278 306417 612834 714973 1429946 2144919 4289838