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6890224 = 241123559
BaseRepresentation
bin11010010010001011110000
3110222001121111
4122102023300
53230441344
6403403104
7112365055
oct32221360
913861544
106890224
113986800
122383494
131573273
14cb502c
15911834
hex6922f0

6890224 has 30 divisors (see below), whose sum is σ = 14677880. Its totient is φ = 3131040.

The previous prime is 6890209. The next prime is 6890227. The reversal of 6890224 is 4220986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6890227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157 + ... + 3715.

Almost surely, 26890224 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 6890224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7338940).

6890224 is an abundant number, since it is smaller than the sum of its proper divisors (7787656).

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

6890224 is a wasteful number, since it uses less digits than its factorization.

6890224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589 (or 3572 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 6890224 is about 2624.9236179363. The cubic root of 6890224 is about 190.2878738640.

The spelling of 6890224 in words is "six million, eight hundred ninety thousand, two hundred twenty-four".

Divisors: 1 2 4 8 11 16 22 44 88 121 176 242 484 968 1936 3559 7118 14236 28472 39149 56944 78298 156596 313192 430639 626384 861278 1722556 3445112 6890224