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2949863 = 7421409
BaseRepresentation
bin1011010000001011100111
312112212110012
423100023213
51223343423
6143120435
734034120
oct13201347
95485405
102949863
111735304
12ba311b
137c38a7
1456b047
153d4078
hex2d02e7

2949863 has 4 divisors (see below), whose sum is σ = 3371280. Its totient is φ = 2528448.

The previous prime is 2949841. The next prime is 2949871. The reversal of 2949863 is 3689492.

It is a happy number.

2949863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2949863 - 26 = 2949799 is a prime.

It is a d-powerful number, because it can be written as 25 + 9 + 49 + 95 + 87 + 62 + 312 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2949863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2949803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210698 + ... + 210711.

It is an arithmetic number, because the mean of its divisors is an integer number (842820).

22949863 is an apocalyptic number.

2949863 is a deficient number, since it is larger than the sum of its proper divisors (421417).

2949863 is an equidigital number, since it uses as much as digits as its factorization.

2949863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421416.

The product of its digits is 93312, while the sum is 41.

The square root of 2949863 is about 1717.5165210268. The cubic root of 2949863 is about 143.4169940055.

The spelling of 2949863 in words is "two million, nine hundred forty-nine thousand, eight hundred sixty-three".

Divisors: 1 7 421409 2949863