Search a number
-
+
444964997 = 3712026081
BaseRepresentation
bin11010100001011…
…010000010000101
31011000021120020002
4122201122002011
51402402334442
6112053051045
714012066021
oct3241320205
91130246202
10444964997
11209197874
12105026a85
1371255cc9
144314b381
15290e6732
hex1a85a085

444964997 has 4 divisors (see below), whose sum is σ = 456991116. Its totient is φ = 432938880.

The previous prime is 444964991. The next prime is 444964999. The reversal of 444964997 is 799469444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 356492161 + 88472836 = 18881^2 + 9406^2 .

It is a cyclic number.

It is not a de Polignac number, because 444964997 - 214 = 444948613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444964991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6013004 + ... + 6013077.

It is an arithmetic number, because the mean of its divisors is an integer number (114247779).

Almost surely, 2444964997 is an apocalyptic number.

It is an amenable number.

444964997 is a deficient number, since it is larger than the sum of its proper divisors (12026119).

444964997 is a wasteful number, since it uses less digits than its factorization.

444964997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12026118.

The product of its digits is 7838208, while the sum is 56.

The square root of 444964997 is about 21094.1934427463. The cubic root of 444964997 is about 763.4406540859.

The spelling of 444964997 in words is "four hundred forty-four million, nine hundred sixty-four thousand, nine hundred ninety-seven".

Divisors: 1 37 12026081 444964997