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4777993 = 11434363
BaseRepresentation
bin10010001110100000001001
322222202011201
4102032200021
52210343433
6250224201
755420003
oct22164011
98882151
104777993
112773860
121725061
13cb3a1c
148c5373
15645a7d
hex48e809

4777993 has 4 divisors (see below), whose sum is σ = 5212368. Its totient is φ = 4343620.

The previous prime is 4777967. The next prime is 4778009. The reversal of 4777993 is 3997774.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4777993 - 25 = 4777961 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4777933) 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, 217171 + ... + 217192.

It is an arithmetic number, because the mean of its divisors is an integer number (1303092).

Almost surely, 24777993 is an apocalyptic number.

It is an amenable number.

4777993 is a deficient number, since it is larger than the sum of its proper divisors (434375).

4777993 is a wasteful number, since it uses less digits than its factorization.

4777993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434374.

The product of its digits is 333396, while the sum is 46.

The square root of 4777993 is about 2185.8620725014. The cubic root of 4777993 is about 168.4283405341.

The spelling of 4777993 in words is "four million, seven hundred seventy-seven thousand, nine hundred ninety-three".

Divisors: 1 11 434363 4777993