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82226080 = 2551313923
BaseRepresentation
bin1001110011010…
…10101110100000
312201201111222101
410321222232200
5132022213310
612054220144
72015624116
oct471525640
9181644871
1082226080
1142461742
1223654654
131405c6b1
14acc5ab6
15734343a
hex4e6aba0

82226080 has 48 divisors (see below), whose sum is σ = 195791904. Its totient is φ = 32631040.

The previous prime is 82226071. The next prime is 82226083. The reversal of 82226080 is 8062228.

It is a happy number.

It is a super-2 number, since 2×822260802 = 13522256464332800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82226083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18999 + ... + 22921.

It is an arithmetic number, because the mean of its divisors is an integer number (4078998).

Almost surely, 282226080 is an apocalyptic number.

82226080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82226080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97895952).

82226080 is an abundant number, since it is smaller than the sum of its proper divisors (113565824).

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

82226080 is a wasteful number, since it uses less digits than its factorization.

82226080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4069 (or 4061 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 82226080 is about 9067.8597254258. The cubic root of 82226080 is about 434.8470506453.

The spelling of 82226080 in words is "eighty-two million, two hundred twenty-six thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 131 160 262 524 655 1048 1310 2096 2620 3923 4192 5240 7846 10480 15692 19615 20960 31384 39230 62768 78460 125536 156920 313840 513913 627680 1027826 2055652 2569565 4111304 5139130 8222608 10278260 16445216 20556520 41113040 82226080