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8993244 = 2231357649
BaseRepresentation
bin100010010011…
…100111011100
3121220220102010
4202103213130
54300240434
6520431220
7136304241
oct42234734
917826363
108993244
115092837
123018510
131b2b560
1412a15c8
15bc99e9
hex8939dc

8993244 has 24 divisors (see below), whose sum is σ = 22598800. Its totient is φ = 2767104.

The previous prime is 8993233. The next prime is 8993249. The reversal of 8993244 is 4423998.

8993244 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8993249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28669 + ... + 28980.

Almost surely, 28993244 is an apocalyptic number.

It is an amenable number.

8993244 is an abundant number, since it is smaller than the sum of its proper divisors (13605556).

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

8993244 is a wasteful number, since it uses less digits than its factorization.

8993244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57669 (or 57667 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 8993244 is about 2998.8737886080. The cubic root of 8993244 is about 207.9563209564.

The spelling of 8993244 in words is "eight million, nine hundred ninety-three thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 57649 115298 172947 230596 345894 691788 749437 1498874 2248311 2997748 4496622 8993244