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4400224031 = 72412608313
BaseRepresentation
bin1000001100100011…
…00001011100011111
3102100122210112121102
410012101201130133
533002424132111
62004344023315
7214020200330
oct40621413437
912318715542
104400224031
1119588a2495
12a29761b3b
13551810c78
142da576287
151ab48013b
hex10646171f

4400224031 has 8 divisors (see below), whose sum is σ = 5049695904. Its totient is φ = 3755969280.

The previous prime is 4400224021. The next prime is 4400224039. The reversal of 4400224031 is 1304220044.

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

It is not a de Polignac number, because 4400224031 - 210 = 4400223007 is a prime.

It is a super-3 number, since 3×44002240313 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4400223994 and 4400224012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400224039) 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, 1302470 + ... + 1305843.

It is an arithmetic number, because the mean of its divisors is an integer number (631211988).

Almost surely, 24400224031 is an apocalyptic number.

4400224031 is a deficient number, since it is larger than the sum of its proper divisors (649471873).

4400224031 is a wasteful number, since it uses less digits than its factorization.

4400224031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608561.

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

The square root of 4400224031 is about 66334.1844828140. The cubic root of 4400224031 is about 1638.6703518450.

Adding to 4400224031 its reverse (1304220044), we get a palindrome (5704444075).

The spelling of 4400224031 in words is "four billion, four hundred million, two hundred twenty-four thousand, thirty-one".

Divisors: 1 7 241 1687 2608313 18258191 628603433 4400224031