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444331901 = 1363154167
BaseRepresentation
bin11010011110111…
…111011101111101
31010222002101210002
4122132333131331
51402222110101
6112031324045
714003521166
oct3236773575
91128071702
10444331901
112088a5152
12104980625
1371093ab0
144302476d
152901dd6b
hex1a7bf77d

444331901 has 8 divisors (see below), whose sum is σ = 479278464. Its totient is φ = 409494960.

The previous prime is 444331889. The next prime is 444331931. The reversal of 444331901 is 109133444.

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 444331901 - 26 = 444331837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444331931) 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, 18881 + ... + 35286.

It is an arithmetic number, because the mean of its divisors is an integer number (59909808).

Almost surely, 2444331901 is an apocalyptic number.

It is an amenable number.

444331901 is a deficient number, since it is larger than the sum of its proper divisors (34946563).

444331901 is a wasteful number, since it uses less digits than its factorization.

444331901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54811.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 444331901 is about 21079.1816966409. The cubic root of 444331901 is about 763.0784078891.

The spelling of 444331901 in words is "four hundred forty-four million, three hundred thirty-one thousand, nine hundred one".

Divisors: 1 13 631 8203 54167 704171 34179377 444331901