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4422431 = 131720011
BaseRepresentation
bin10000110111101100011111
322022200102202
4100313230133
52113004211
6234442115
752406246
oct20675437
98280382
104422431
112550702
12159333b
13bbac30
1483195d
155c553b
hex437b1f

4422431 has 8 divisors (see below), whose sum is σ = 5043024. Its totient is φ = 3841920.

The previous prime is 4422427. The next prime is 4422443. The reversal of 4422431 is 1342244.

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

It is a cyclic number.

It is not a de Polignac number, because 4422431 - 22 = 4422427 is a prime.

It is a super-2 number, since 2×44224312 = 39115791899522, which contains 22 as substring.

It is a Duffinian number.

4422431 is a modest number, since divided by 2431 gives 442 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4422401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9785 + ... + 10226.

It is an arithmetic number, because the mean of its divisors is an integer number (630378).

Almost surely, 24422431 is an apocalyptic number.

4422431 is a deficient number, since it is larger than the sum of its proper divisors (620593).

4422431 is a wasteful number, since it uses less digits than its factorization.

4422431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20041.

The product of its digits is 768, while the sum is 20.

The square root of 4422431 is about 2102.9576790796. The cubic root of 4422431 is about 164.1422397742.

Adding to 4422431 its reverse (1342244), we get a palindrome (5764675).

It can be divided in two parts, 442243 and 1, that added together give a palindrome (442244).

The spelling of 4422431 in words is "four million, four hundred twenty-two thousand, four hundred thirty-one".

Divisors: 1 13 17 221 20011 260143 340187 4422431