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444925 = 5213372
BaseRepresentation
bin1101100100111111101
3211121022201
41230213331
5103214200
613311501
73532105
oct1544775
9747281
10444925
11284308
12195591
13127690
14b8205
158bc6a
hex6c9fd

444925 has 18 divisors (see below), whose sum is σ = 610638. Its totient is φ = 319680.

The previous prime is 444901. The next prime is 444929. The reversal of 444925 is 529444.

444925 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 9 ways, for example, as 32761 + 412164 = 181^2 + 642^2 .

It is not a de Polignac number, because 444925 - 25 = 444893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444893 and 444902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12007 + ... + 12043.

2444925 is an apocalyptic number.

It is an amenable number.

444925 is a deficient number, since it is larger than the sum of its proper divisors (165713).

444925 is a wasteful number, since it uses less digits than its factorization.

444925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 55 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 444925 is about 667.0269859608. The cubic root of 444925 is about 76.3417778690.

It can be divided in two parts, 444 and 925, that added together give a square (1369 = 372).

The spelling of 444925 in words is "four hundred forty-four thousand, nine hundred twenty-five".

Divisors: 1 5 13 25 37 65 185 325 481 925 1369 2405 6845 12025 17797 34225 88985 444925