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4202023 = 7600289
BaseRepresentation
bin10000000001111000100111
321220111002111
4100001320213
52033431043
6230021451
750500540
oct20017047
97814074
104202023
112410051
1214a7887
13b41807
147b54c7
1558009d
hex401e27

4202023 has 4 divisors (see below), whose sum is σ = 4802320. Its totient is φ = 3601728.

The previous prime is 4202017. The next prime is 4202027. The reversal of 4202023 is 3202024.

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 4202023 - 221 = 2104871 is a prime.

It is a Duffinian number.

4202023 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4201994 and 4202012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4202027) 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, 300138 + ... + 300151.

It is an arithmetic number, because the mean of its divisors is an integer number (1200580).

Almost surely, 24202023 is an apocalyptic number.

4202023 is a deficient number, since it is larger than the sum of its proper divisors (600297).

4202023 is an equidigital number, since it uses as much as digits as its factorization.

4202023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600296.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 4202023 is about 2049.8836552351. The cubic root of 4202023 is about 161.3687649377.

Adding to 4202023 its reverse (3202024), we get a palindrome (7404047).

Subtracting from 4202023 its reverse (3202024), we obtain a palindrome (999999).

The spelling of 4202023 in words is "four million, two hundred two thousand, twenty-three".

Divisors: 1 7 600289 4202023