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4424431 = 11402221
BaseRepresentation
bin10000111000001011101111
322022210011211
4100320023233
52113040211
6234455251
752415134
oct20701357
98283154
104424431
112552160
121594527
13bbbb0b
1483258b
155c5e21
hex4382ef

4424431 has 4 divisors (see below), whose sum is σ = 4826664. Its totient is φ = 4022200.

The previous prime is 4424429. The next prime is 4424447. The reversal of 4424431 is 1344244.

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 4424431 - 21 = 4424429 is a prime.

It is a super-2 number, since 2×44244312 = 39151179347522, 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 (4424411) 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, 201100 + ... + 201121.

It is an arithmetic number, because the mean of its divisors is an integer number (1206666).

Almost surely, 24424431 is an apocalyptic number.

4424431 is a deficient number, since it is larger than the sum of its proper divisors (402233).

4424431 is a wasteful number, since it uses less digits than its factorization.

4424431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402232.

The product of its digits is 1536, while the sum is 22.

The square root of 4424431 is about 2103.4331460733. The cubic root of 4424431 is about 164.1669799382.

Adding to 4424431 its reverse (1344244), we get a palindrome (5768675).

The spelling of 4424431 in words is "four million, four hundred twenty-four thousand, four hundred thirty-one".

Divisors: 1 11 402221 4424431