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444024661 = 1923369719
BaseRepresentation
bin11010011101110…
…100011101010101
31010221111210022211
4122131310131111
51402132242121
6112020553421
714001101353
oct3235643525
91127453284
10444024661
11208705333
12104852871
1370cb6cb2
1442d847d3
1528eacce1
hex1a774755

444024661 has 4 divisors (see below), whose sum is σ = 467394400. Its totient is φ = 420654924.

The previous prime is 444024643. The next prime is 444024697. The reversal of 444024661 is 166420444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 444024661 - 217 = 443893589 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 (444024601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11684841 + ... + 11684878.

It is an arithmetic number, because the mean of its divisors is an integer number (116848600).

Almost surely, 2444024661 is an apocalyptic number.

It is an amenable number.

444024661 is a deficient number, since it is larger than the sum of its proper divisors (23369739).

444024661 is a wasteful number, since it uses less digits than its factorization.

444024661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23369738.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 444024661 is about 21071.8926772134. The cubic root of 444024661 is about 762.9024866406.

The spelling of 444024661 in words is "four hundred forty-four million, twenty-four thousand, six hundred sixty-one".

Divisors: 1 19 23369719 444024661