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444429 = 321923113
BaseRepresentation
bin1101100100000001101
3211120122100
41230200031
5103210204
613305313
73530466
oct1544015
9746570
10444429
112839a7
12195239
1312739b
14b7d6d
158ba39
hex6c80d

444429 has 24 divisors (see below), whose sum is σ = 711360. Its totient is φ = 266112.

The previous prime is 444421. The next prime is 444443. The reversal of 444429 is 924444.

It is not a de Polignac number, because 444429 - 23 = 444421 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3877 + ... + 3989.

It is an arithmetic number, because the mean of its divisors is an integer number (29640).

2444429 is an apocalyptic number.

It is an amenable number.

444429 is a deficient number, since it is larger than the sum of its proper divisors (266931).

444429 is a wasteful number, since it uses less digits than its factorization.

444429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 158 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 444429 is about 666.6550832327. The cubic root of 444429 is about 76.3133988529.

The spelling of 444429 in words is "four hundred forty-four thousand, four hundred twenty-nine".

Divisors: 1 3 9 19 23 57 69 113 171 207 339 437 1017 1311 2147 2599 3933 6441 7797 19323 23391 49381 148143 444429