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4678042 = 22339021
BaseRepresentation
bin10001110110000110011010
322210200001211
4101312012122
52144144132
6244133334
754522415
oct21660632
98720054
104678042
112705756
12169724a
13c7a395
1489ab7c
15626147
hex47619a

4678042 has 4 divisors (see below), whose sum is σ = 7017066. Its totient is φ = 2339020.

The previous prime is 4678033. The next prime is 4678049. The reversal of 4678042 is 2408764.

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

It can be written as a sum of positive squares in only one way, i.e., 4004001 + 674041 = 2001^2 + 821^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4677995 and 4678013.

It is not an unprimeable number, because it can be changed into a prime (4678049) 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 as a sum of consecutive naturals, namely, 1169509 + ... + 1169512.

Almost surely, 24678042 is an apocalyptic number.

4678042 is a deficient number, since it is larger than the sum of its proper divisors (2339024).

4678042 is a wasteful number, since it uses less digits than its factorization.

4678042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339023.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 4678042 is about 2162.8781750251. The cubic root of 4678042 is about 167.2456017874.

The spelling of 4678042 in words is "four million, six hundred seventy-eight thousand, forty-two".

Divisors: 1 2 2339021 4678042