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4249992 = 233612903
BaseRepresentation
bin10000001101100110001000
321222220220010
4100031212020
52041444432
6231031520
751060435
oct20154610
97886803
104249992
11244309a
12150b5a0
13b5a5b6
147c8b8c
1558e3cc
hex40d988

4249992 has 32 divisors (see below), whose sum is σ = 10802880. Its totient is φ = 1392960.

The previous prime is 4249981. The next prime is 4250021. The reversal of 4249992 is 2999424.

It is a self number, because there is not a number n which added to its sum of digits gives 4249992.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13 + ... + 2915.

It is an arithmetic number, because the mean of its divisors is an integer number (337590).

Almost surely, 24249992 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 4249992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5401440).

4249992 is an abundant number, since it is smaller than the sum of its proper divisors (6552888).

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

4249992 is a wasteful number, since it uses less digits than its factorization.

4249992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973 (or 2969 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 4249992 is about 2061.5508725229. The cubic root of 4249992 is about 161.9804884289.

The spelling of 4249992 in words is "four million, two hundred forty-nine thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 61 122 183 244 366 488 732 1464 2903 5806 8709 11612 17418 23224 34836 69672 177083 354166 531249 708332 1062498 1416664 2124996 4249992