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444020101 = 71916719991
BaseRepresentation
bin11010011101110…
…011010110000101
31010221111120001221
4122131303112011
51402132120401
6112020520341
714001052150
oct3235632605
91127446057
10444020101
11208701968
121048500b1
1370cb4bb5
1442d82c97
1528eab7a1
hex1a773585

444020101 has 16 divisors (see below), whose sum is σ = 537384960. Its totient is φ = 358380720.

The previous prime is 444020089. The next prime is 444020123. The reversal of 444020101 is 101020444.

It is a cyclic number.

It is not a de Polignac number, because 444020101 - 25 = 444020069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444020191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12216 + ... + 32206.

It is an arithmetic number, because the mean of its divisors is an integer number (33586560).

Almost surely, 2444020101 is an apocalyptic number.

It is an amenable number.

444020101 is a deficient number, since it is larger than the sum of its proper divisors (93364859).

444020101 is a wasteful number, since it uses less digits than its factorization.

444020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20184.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 444020101 is about 21071.7844759289. The cubic root of 444020101 is about 762.8998750384.

Adding to 444020101 its reverse (101020444), we get a palindrome (545040545).

The spelling of 444020101 in words is "four hundred forty-four million, twenty thousand, one hundred one".

Divisors: 1 7 19 133 167 1169 3173 19991 22211 139937 379829 2658803 3338497 23369479 63431443 444020101