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444453085 = 5159755661
BaseRepresentation
bin11010011111011…
…101000011011101
31010222022120000101
4122133131003131
51402234444320
6112034101101
714004534406
oct3237350335
91128276011
10444453085
112089781aa
12104a1a791
1371106cbb
14430569ad
1529044c0a
hex1a7dd0dd

444453085 has 8 divisors (see below), whose sum is σ = 533687256. Its totient is φ = 355333440.

The previous prime is 444453067. The next prime is 444453133. The reversal of 444453085 is 580354444.

It can be written as a sum of positive squares in 4 ways, for example, as 887364 + 443565721 = 942^2 + 21061^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-444453085 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19846 + ... + 35815.

It is an arithmetic number, because the mean of its divisors is an integer number (66710907).

Almost surely, 2444453085 is an apocalyptic number.

It is an amenable number.

444453085 is a deficient number, since it is larger than the sum of its proper divisors (89234171).

444453085 is a wasteful number, since it uses less digits than its factorization.

444453085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57263.

The product of its (nonzero) digits is 153600, while the sum is 37.

The square root of 444453085 is about 21082.0559955617. The cubic root of 444453085 is about 763.1477738203.

The spelling of 444453085 in words is "four hundred forty-four million, four hundred fifty-three thousand, eighty-five".

Divisors: 1 5 1597 7985 55661 278305 88890617 444453085