Search a number
-
+
4202439 = 31973727
BaseRepresentation
bin10000000001111111000111
321220111122220
4100001333013
52033434224
6230023423
750502003
oct20017707
97814586
104202439
11241039a
1214a7b73
13b41a67
147b5703
15580279
hex401fc7

4202439 has 8 divisors (see below), whose sum is σ = 5898240. Its totient is φ = 2654136.

The previous prime is 4202413. The next prime is 4202447. The reversal of 4202439 is 9342024.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4202439 - 27 = 4202311 is a prime.

4202439 is a modest number, since divided by 2439 gives 42 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4202449) 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 in 7 ways as a sum of consecutive naturals, for example, 36807 + ... + 36920.

It is an arithmetic number, because the mean of its divisors is an integer number (737280).

Almost surely, 24202439 is an apocalyptic number.

4202439 is a deficient number, since it is larger than the sum of its proper divisors (1695801).

4202439 is a wasteful number, since it uses less digits than its factorization.

4202439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73749.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 4202439 is about 2049.9851218972. The cubic root of 4202439 is about 161.3740899277.

The spelling of 4202439 in words is "four million, two hundred two thousand, four hundred thirty-nine".

Divisors: 1 3 19 57 73727 221181 1400813 4202439