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4999869 = 327194177
BaseRepresentation
bin10011000100101010111101
3100102000112100
4103010222331
52234443434
6255055313
760332610
oct23045275
910360470
104999869
112905526
121811539
131060a04
14942177
1568b699
hex4c4abd

4999869 has 24 divisors (see below), whose sum is σ = 8690240. Its totient is φ = 2706048.

The previous prime is 4999867. The next prime is 4999871. The reversal of 4999869 is 9689994.

4999869 = T205 + T206 + ... + T337.

It is a happy number.

4999869 is a `hidden beast` number, since 499 + 98 + 69 = 666.

4999869 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4999867) and next prime (4999871).

It is not a de Polignac number, because 4999869 - 21 = 4999867 is a prime.

It is a super-2 number, since 2×49998692 = 49997380034322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4999867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 892 + ... + 3285.

Almost surely, 24999869 is an apocalyptic number.

It is an amenable number.

4999869 is a deficient number, since it is larger than the sum of its proper divisors (3690371).

4999869 is a wasteful number, since it uses less digits than its factorization.

4999869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4209 (or 4206 counting only the distinct ones).

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

The square root of 4999869 is about 2236.0386848174. The cubic root of 4999869 is about 170.9961012756.

The spelling of 4999869 in words is "four million, nine hundred ninety-nine thousand, eight hundred sixty-nine".

Divisors: 1 3 7 9 19 21 57 63 133 171 399 1197 4177 12531 29239 37593 79363 87717 238089 263151 555541 714267 1666623 4999869