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444481941 = 3148160647
BaseRepresentation
bin11010011111100…
…100000110010101
31010222101000121010
4122133210012111
51402241410231
6112034442433
714005014501
oct3237440625
91128330533
10444481941
11208997952
12104a33419
1371117187
1443063301
152904d546
hex1a7e4195

444481941 has 4 divisors (see below), whose sum is σ = 592642592. Its totient is φ = 296321292.

The previous prime is 444481907. The next prime is 444481951. The reversal of 444481941 is 149184444.

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 not a de Polignac number, because 444481941 - 210 = 444480917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444481941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444481951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74080321 + ... + 74080326.

It is an arithmetic number, because the mean of its divisors is an integer number (148160648).

Almost surely, 2444481941 is an apocalyptic number.

It is an amenable number.

444481941 is a deficient number, since it is larger than the sum of its proper divisors (148160651).

444481941 is a wasteful number, since it uses less digits than its factorization.

444481941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148160650.

The product of its digits is 73728, while the sum is 39.

The square root of 444481941 is about 21082.7403579326. The cubic root of 444481941 is about 763.1642891860.

The spelling of 444481941 in words is "four hundred forty-four million, four hundred eighty-one thousand, nine hundred forty-one".

Divisors: 1 3 148160647 444481941