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4942783 = 17328571
BaseRepresentation
bin10010110110101110111111
3100022010020001
4102312232333
52231132113
6253535131
760004306
oct22665677
910263201
104942783
11287664a
1217a44a7
131040a31
1492943d
156797dd
hex4b6bbf

4942783 has 4 divisors (see below), whose sum is σ = 4971528. Its totient is φ = 4914040.

The previous prime is 4942781. The next prime is 4942799. The reversal of 4942783 is 3872494.

It is a happy number.

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 4942783 - 21 = 4942781 is a prime.

It is a super-3 number, since 3×49427833 (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4942781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14113 + ... + 14458.

It is an arithmetic number, because the mean of its divisors is an integer number (1242882).

Almost surely, 24942783 is an apocalyptic number.

4942783 is a deficient number, since it is larger than the sum of its proper divisors (28745).

4942783 is a wasteful number, since it uses less digits than its factorization.

4942783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28744.

The product of its digits is 48384, while the sum is 37.

The square root of 4942783 is about 2223.2370543871. The cubic root of 4942783 is about 170.3428260618.

The spelling of 4942783 in words is "four million, nine hundred forty-two thousand, seven hundred eighty-three".

Divisors: 1 173 28571 4942783