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4640943 = 31546981
BaseRepresentation
bin10001101101000010101111
322201210011210
4101231002233
52142002233
6243245503
754306306
oct21550257
98653153
104640943
11268a89a
121679893
13c66528
1488b43d
1561a163
hex46d0af

4640943 has 4 divisors (see below), whose sum is σ = 6187928. Its totient is φ = 3093960.

The previous prime is 4640929. The next prime is 4640953. The reversal of 4640943 is 3490464.

4640943 is digitally balanced in base 4, 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 not a de Polignac number, because 4640943 - 212 = 4636847 is a prime.

It is a D-number.

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 4640943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640953) 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, 773488 + ... + 773493.

It is an arithmetic number, because the mean of its divisors is an integer number (1546982).

Almost surely, 24640943 is an apocalyptic number.

4640943 is a deficient number, since it is larger than the sum of its proper divisors (1546985).

4640943 is a wasteful number, since it uses less digits than its factorization.

4640943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546984.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 4640943 is about 2154.2848001135. The cubic root of 4640943 is about 166.8023166756.

The spelling of 4640943 in words is "four million, six hundred forty thousand, nine hundred forty-three".

Divisors: 1 3 1546981 4640943