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444216130 = 2544421613
BaseRepresentation
bin11010011110100…
…011001101000010
31010221212111222021
4122132203031002
51402204404010
6112025032054
714002526521
oct3236431502
91127774867
10444216130
11208826176
1210492562a
13710531a7
1442dd44b8
1528ee98da
hex1a7a3342

444216130 has 8 divisors (see below), whose sum is σ = 799589052. Its totient is φ = 177686448.

The previous prime is 444216121. The next prime is 444216163. The reversal of 444216130 is 31612444.

It can be written as a sum of positive squares in 2 ways, for example, as 438441721 + 5774409 = 20939^2 + 2403^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 444216095 and 444216104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22210797 + ... + 22210816.

Almost surely, 2444216130 is an apocalyptic number.

444216130 is a deficient number, since it is larger than the sum of its proper divisors (355372922).

444216130 is a wasteful number, since it uses less digits than its factorization.

444216130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44421620.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 444216130 is about 21076.4354196814. The cubic root of 444216130 is about 763.0121285877.

Adding to 444216130 its reverse (31612444), we get a palindrome (475828574).

The spelling of 444216130 in words is "four hundred forty-four million, two hundred sixteen thousand, one hundred thirty".

Divisors: 1 2 5 10 44421613 88843226 222108065 444216130