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4044220431 = 359891491723
BaseRepresentation
bin1111000100001101…
…1110100000001111
3101102211220200110220
43301003132200033
531240310023211
61505145402423
7202135210056
oct36103364017
911384820426
104044220431
111795947739
1294a499413
134c5b35254
142a518539d
1518a0ac806
hexf10de80f

4044220431 has 32 divisors (see below), whose sum is σ = 5585760000. Its totient is φ = 2601570048.

The previous prime is 4044220399. The next prime is 4044220451. The reversal of 4044220431 is 1340224404.

It is a happy number.

4044220431 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4044220431 - 25 = 4044220399 is a prime.

It is a super-2 number, since 2×40442204312 = 32711437789035651522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044220451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2346336 + ... + 2348058.

It is an arithmetic number, because the mean of its divisors is an integer number (174555000).

Almost surely, 24044220431 is an apocalyptic number.

4044220431 is a deficient number, since it is larger than the sum of its proper divisors (1541539569).

4044220431 is a wasteful number, since it uses less digits than its factorization.

4044220431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4044220431 is about 63594.1855125136. The cubic root of 4044220431 is about 1593.2292571864.

Adding to 4044220431 its reverse (1340224404), we get a palindrome (5384444835).

The spelling of 4044220431 in words is "four billion, forty-four million, two hundred twenty thousand, four hundred thirty-one".

Divisors: 1 3 59 89 149 177 267 447 1723 5169 5251 8791 13261 15753 26373 39783 101657 153347 256727 304971 460041 770181 782399 2347197 9047473 15146893 22848703 27142419 45440679 68546109 1348073477 4044220431