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3440442231 = 322913181771
BaseRepresentation
bin1100110100010000…
…1111101101110111
322212202210120111100
43031010033231313
524021223122411
61325220341143
7151154163552
oct31504175567
98782716440
103440442231
111506049196
128002447b3
1342aa15a45
14248cd7699
15152095456
hexcd10fb77

3440442231 has 12 divisors (see below), whose sum is σ = 5140891080. Its totient is φ = 2214537360.

The previous prime is 3440442227. The next prime is 3440442251. The reversal of 3440442231 is 1322440443.

It is a happy number.

3440442231 is a `hidden beast` number, since 34 + 404 + 4 + 223 + 1 = 666.

It is not a de Polignac number, because 3440442231 - 22 = 3440442227 is a prime.

It is a super-2 number, since 2×34404422312 = 23673285489696514722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3440442195 and 3440442204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440442211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6590625 + ... + 6591146.

It is an arithmetic number, because the mean of its divisors is an integer number (428407590).

Almost surely, 23440442231 is an apocalyptic number.

3440442231 is a deficient number, since it is larger than the sum of its proper divisors (1700448849).

3440442231 is a wasteful number, since it uses less digits than its factorization.

3440442231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13181806 (or 13181803 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 3440442231 is about 58655.2830612895. The cubic root of 3440442231 is about 1509.6331478736.

Adding to 3440442231 its reverse (1322440443), we get a palindrome (4762882674).

The spelling of 3440442231 in words is "three billion, four hundred forty million, four hundred forty-two thousand, two hundred thirty-one".

Divisors: 1 3 9 29 87 261 13181771 39545313 118635939 382271359 1146814077 3440442231