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444121401 = 3712085077
BaseRepresentation
bin11010011110001…
…100000100111001
31010221200201000210
4122132030010321
51402143341101
6112023021333
714001653403
oct3236140471
91127621023
10444121401
11208770a89
1210489a849
137101c039
1442dabb73
1528ecb7d6
hex1a78c139

444121401 has 8 divisors (see below), whose sum is σ = 600502464. Its totient is φ = 291910640.

The previous prime is 444121367. The next prime is 444121417. The reversal of 444121401 is 104121444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444121401 - 29 = 444120889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (444121441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1042326 + ... + 1042751.

It is an arithmetic number, because the mean of its divisors is an integer number (75062808).

Almost surely, 2444121401 is an apocalyptic number.

It is an amenable number.

444121401 is a deficient number, since it is larger than the sum of its proper divisors (156381063).

444121401 is a wasteful number, since it uses less digits than its factorization.

444121401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085151.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 444121401 is about 21074.1880270629. The cubic root of 444121401 is about 762.9578873377.

Adding to 444121401 its reverse (104121444), we get a palindrome (548242845).

The spelling of 444121401 in words is "four hundred forty-four million, one hundred twenty-one thousand, four hundred one".

Divisors: 1 3 71 213 2085077 6255231 148040467 444121401