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8999994 = 232117109
BaseRepresentation
bin100010010101…
…010000111010
3121221020200010
4202111100322
54300444434
6520522350
7136333023
oct42252072
917836603
108999994
115097913
1230203b6
131b31653
1412a3c4a
15bcb9e9
hex89543a

8999994 has 16 divisors (see below), whose sum is σ = 18087840. Its totient is φ = 2985360.

The previous prime is 8999993. The next prime is 9000011. The reversal of 8999994 is 4999998.

It is not an unprimeable number, because it can be changed into a prime (8999993) 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, 2289 + ... + 4820.

It is an arithmetic number, because the mean of its divisors is an integer number (1130490).

Almost surely, 28999994 is an apocalyptic number.

8999994 is an abundant number, since it is smaller than the sum of its proper divisors (9087846).

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

8999994 is a wasteful number, since it uses less digits than its factorization.

8999994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7325.

The product of its digits is 1889568, while the sum is 57.

The square root of 8999994 is about 2999.9989999998. The cubic root of 8999994 is about 208.0083360811.

The spelling of 8999994 in words is "eight million, nine hundred ninety-nine thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 211 422 633 1266 7109 14218 21327 42654 1499999 2999998 4499997 8999994