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3220286895 = 33575995689
BaseRepresentation
bin1011111111110001…
…1010110110101111
322022102112112011000
42333330122312233
523043343140040
61251313531343
7142541662350
oct27774326657
98272475130
103220286895
11140284a231
1275a573b53
133c4222707
14227989d27
1513caa9130
hexbff1adaf

3220286895 has 64 divisors (see below), whose sum is σ = 6554880000. Its totient is φ = 1469415168.

The previous prime is 3220286891. The next prime is 3220286941. The reversal of 3220286895 is 5986820223.

It is a happy number.

It is not a de Polignac number, because 3220286895 - 22 = 3220286891 is a prime.

It is a super-2 number, since 2×32202868952 = 20740495372217482050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3220286895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220286891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 563211 + ... + 568899.

It is an arithmetic number, because the mean of its divisors is an integer number (102420000).

Almost surely, 23220286895 is an apocalyptic number.

3220286895 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3220286895 is an abundant number, since it is smaller than the sum of its proper divisors (3334593105).

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

3220286895 is a wasteful number, since it uses less digits than its factorization.

3220286895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6309 (or 6303 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 3220286895 is about 56747.5717101622. The cubic root of 3220286895 is about 1476.7201068450.

The spelling of 3220286895 in words is "three billion, two hundred twenty million, two hundred eighty-six thousand, eight hundred ninety-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 105 135 189 315 599 945 1797 2995 4193 5391 5689 8985 12579 16173 17067 20965 26955 28445 37737 39823 51201 62895 80865 85335 113211 119469 153603 188685 199115 256005 358407 566055 597345 768015 1075221 1792035 3407711 5376105 10223133 17038555 23853977 30669399 51115665 71561931 92008197 119269885 153346995 214685793 357809655 460040985 644057379 1073428965 3220286895