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444697345 = 5311285979
BaseRepresentation
bin11010100000011…
…000101100000001
31010222202222002001
4122200120230001
51402320303340
6112043224001
714006602501
oct3240305401
91128688061
10444697345
11209024774
12104b18001
1371191231
14430bba01
152909229a
hex1a818b01

444697345 has 8 divisors (see below), whose sum is σ = 535354560. Its totient is φ = 354612720.

The previous prime is 444697327. The next prime is 444697361. The reversal of 444697345 is 543796444.

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

It is not a de Polignac number, because 444697345 - 27 = 444697217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 444697295 and 444697304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141435 + ... + 144544.

It is an arithmetic number, because the mean of its divisors is an integer number (66919320).

Almost surely, 2444697345 is an apocalyptic number.

It is an amenable number.

444697345 is a deficient number, since it is larger than the sum of its proper divisors (90657215).

444697345 is a wasteful number, since it uses less digits than its factorization.

444697345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286295.

The product of its digits is 1451520, while the sum is 46.

The square root of 444697345 is about 21087.8482780961. The cubic root of 444697345 is about 763.2875503561.

Subtracting 444697345 from its reverse (543796444), we obtain a palindrome (99099099).

The spelling of 444697345 in words is "four hundred forty-four million, six hundred ninety-seven thousand, three hundred forty-five".

Divisors: 1 5 311 1555 285979 1429895 88939469 444697345