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444145071 = 3148048357
BaseRepresentation
bin11010011110010…
…001110110101111
31010221201220111110
4122132101312233
51402200120241
6112023323103
714002112406
oct3236216657
91127656443
10444145071
11208787847
121048b0493
1371029a46
1442db663d
1528ed3816
hex1a791daf

444145071 has 4 divisors (see below), whose sum is σ = 592193432. Its totient is φ = 296096712.

The previous prime is 444145033. The next prime is 444145073. The reversal of 444145071 is 170541444.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 444145071 - 210 = 444144047 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 (444145073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74024176 + ... + 74024181.

It is an arithmetic number, because the mean of its divisors is an integer number (148048358).

Almost surely, 2444145071 is an apocalyptic number.

444145071 is a deficient number, since it is larger than the sum of its proper divisors (148048361).

444145071 is a wasteful number, since it uses less digits than its factorization.

444145071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148048360.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 444145071 is about 21074.7496070535. The cubic root of 444145071 is about 762.9714413587.

The spelling of 444145071 in words is "four hundred forty-four million, one hundred forty-five thousand, seventy-one".

Divisors: 1 3 148048357 444145071