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4444856 = 231379541
BaseRepresentation
bin10000111101001010111000
322100211012022
4100331022320
52114213411
6235134012
752531523
oct20751270
98324168
104444856
112566539
1215a4308
13bc81c0
14839bba
155cbedb
hex43d2b8

4444856 has 32 divisors (see below), whose sum is σ = 9105600. Its totient is φ = 2021760.

The previous prime is 4444829. The next prime is 4444861. The reversal of 4444856 is 6584444.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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, 7946 + ... + 8486.

It is an arithmetic number, because the mean of its divisors is an integer number (284550).

Almost surely, 24444856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4444856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4552800).

4444856 is an abundant number, since it is smaller than the sum of its proper divisors (4660744).

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

4444856 is a wasteful number, since it uses less digits than its factorization.

4444856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 635 counting only the distinct ones).

The product of its digits is 61440, while the sum is 35.

The square root of 4444856 is about 2108.2827134898. The cubic root of 4444856 is about 164.4192130485.

The spelling of 4444856 in words is "four million, four hundred forty-four thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 13 26 52 79 104 158 316 541 632 1027 1082 2054 2164 4108 4328 7033 8216 14066 28132 42739 56264 85478 170956 341912 555607 1111214 2222428 4444856