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444356941 = 7223478389
BaseRepresentation
bin11010011111000…
…101100101001101
31010222010200010111
4122133011211031
51402223410231
6112032040021
714003654200
oct3237054515
91128120114
10444356941
11208911a46
12104993011
13710a2302
144302d937
15290264b1
hex1a7c594d

444356941 has 24 divisors (see below), whose sum is σ = 550920960. Its totient is φ = 356523552.

The previous prime is 444356923. The next prime is 444356951. The reversal of 444356941 is 149653444.

It is not a de Polignac number, because 444356941 - 211 = 444354893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444356894 and 444356903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444356951) 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, 48775 + ... + 57163.

It is an arithmetic number, because the mean of its divisors is an integer number (22955040).

Almost surely, 2444356941 is an apocalyptic number.

It is an amenable number.

444356941 is a deficient number, since it is larger than the sum of its proper divisors (106564019).

444356941 is a wasteful number, since it uses less digits than its factorization.

444356941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8473 (or 8466 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 444356941 is about 21079.7756392235. The cubic root of 444356941 is about 763.0927418621.

The spelling of 444356941 in words is "four hundred forty-four million, three hundred fifty-six thousand, nine hundred forty-one".

Divisors: 1 7 23 47 49 161 329 1081 1127 2303 7567 8389 52969 58723 192947 394283 411061 1350629 2759981 9068509 9454403 19319867 63479563 444356941