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4999986 = 2322291213
BaseRepresentation
bin10011000100101100110010
3100102000200200
4103010230302
52234444421
6255100030
760333135
oct23045462
910360620
104999986
112905622
121811616
131060a94
1494221c
1568b726
hex4c4b32

4999986 has 24 divisors (see below), whose sum is σ = 10889580. Its totient is φ = 1658016.

The previous prime is 4999963. The next prime is 4999999. The reversal of 4999986 is 6899994.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4995225 + 4761 = 2235^2 + 69^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3516 + ... + 4728.

Almost surely, 24999986 is an apocalyptic number.

4999986 is an abundant number, since it is smaller than the sum of its proper divisors (5889594).

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

4999986 is a wasteful number, since it uses less digits than its factorization.

4999986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450 (or 1447 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 54.

The square root of 4999986 is about 2236.0648470024. The cubic root of 4999986 is about 170.9974350698.

The spelling of 4999986 in words is "four million, nine hundred ninety-nine thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 9 18 229 458 687 1213 1374 2061 2426 3639 4122 7278 10917 21834 277777 555554 833331 1666662 2499993 4999986