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445630086 = 23411250073
BaseRepresentation
bin11010100011111…
…100011010000110
31011001112100120000
4122203330122012
51403040130321
6112115222130
714020536036
oct3243743206
91131470500
10445630086
11209601530
121052a7946
1371429955
14432818c6
15291c8826
hex1a8fc686

445630086 has 40 divisors (see below), whose sum is σ = 1089322344. Its totient is φ = 135038880.

The previous prime is 445630057. The next prime is 445630111. The reversal of 445630086 is 680036544.

It is a self number, because there is not a number n which added to its sum of digits gives 445630086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 123255 + ... + 126818.

Almost surely, 2445630086 is an apocalyptic number.

445630086 is an abundant number, since it is smaller than the sum of its proper divisors (643692258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445630086 is a wasteful number, since it uses less digits than its factorization.

445630086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250098 (or 250089 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 445630086 is about 21109.9522974354. The cubic root of 445630086 is about 763.8208362077.

The spelling of 445630086 in words is "four hundred forty-five million, six hundred thirty thousand, eighty-six".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 81 99 162 198 297 594 891 1782 250073 500146 750219 1500438 2250657 2750803 4501314 5501606 6751971 8252409 13503942 16504818 20255913 24757227 40511826 49514454 74271681 148543362 222815043 445630086