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4204381 = 5997019
BaseRepresentation
bin10000000010011101011101
321220121022211
4100002131131
52034020011
6230040421
750510446
oct20023535
97817284
104204381
1124118a5
1214a9111
13b428cc
147b62cd
15580b21
hex40275d

4204381 has 4 divisors (see below), whose sum is σ = 4212000. Its totient is φ = 4196764.

The previous prime is 4204379. The next prime is 4204429. The reversal of 4204381 is 1834024.

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 4204381 - 21 = 4204379 is a prime.

It is a super-2 number, since 2×42043812 = 35353639186322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4204481) 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, 2911 + ... + 4108.

It is an arithmetic number, because the mean of its divisors is an integer number (1053000).

Almost surely, 24204381 is an apocalyptic number.

It is an amenable number.

4204381 is a deficient number, since it is larger than the sum of its proper divisors (7619).

4204381 is an equidigital number, since it uses as much as digits as its factorization.

4204381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7618.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4204381 is about 2050.4587291628. The cubic root of 4204381 is about 161.3989437663.

It can be divided in two parts, 42043 and 81, that added together give a palindrome (42124).

The spelling of 4204381 in words is "four million, two hundred four thousand, three hundred eighty-one".

Divisors: 1 599 7019 4204381