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82286628 = 2236857219
BaseRepresentation
bin1001110011110…
…01100000100100
312201211121000220
410321321200210
5132031133003
612055404340
72016265464
oct471714044
9181747026
1082286628
11424a3186
12236836b0
1314081118
14acddba4
157356353
hex4e79824

82286628 has 12 divisors (see below), whose sum is σ = 192002160. Its totient is φ = 27428872.

The previous prime is 82286627. The next prime is 82286629. The reversal of 82286628 is 82668228.

It is an interprime number because it is at equal distance from previous prime (82286627) and next prime (82286629).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×822866282 = 13542178295220768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82286628.

It is not an unprimeable number, because it can be changed into a prime (82286627) 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, 3428598 + ... + 3428621.

It is an arithmetic number, because the mean of its divisors is an integer number (16000180).

Almost surely, 282286628 is an apocalyptic number.

It is an amenable number.

82286628 is an abundant number, since it is smaller than the sum of its proper divisors (109715532).

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

82286628 is a wasteful number, since it uses less digits than its factorization.

82286628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6857226 (or 6857224 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The square root of 82286628 is about 9071.1977158477. The cubic root of 82286628 is about 434.9537591223.

The spelling of 82286628 in words is "eighty-two million, two hundred eighty-six thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 6857219 13714438 20571657 27428876 41143314 82286628