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82233228 = 22371188997
BaseRepresentation
bin1001110011011…
…00011110001100
312201201212210010
410321230132030
5132022430403
612054313220
72015654010
oct471543614
9181655703
1082233228
1142467050
1223658810
1314062a1c
14acc8540
157345603
hex4e6c78c

82233228 has 48 divisors (see below), whose sum is σ = 239226624. Its totient is φ = 21359040.

The previous prime is 82233227. The next prime is 82233253.

82233228 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 82233195 and 82233204.

It is not an unprimeable number, because it can be changed into a prime (82233223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43575 + ... + 45422.

It is an arithmetic number, because the mean of its divisors is an integer number (4983888).

Almost surely, 282233228 is an apocalyptic number.

It is an amenable number.

82233228 is an abundant number, since it is smaller than the sum of its proper divisors (156993396).

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

82233228 is a wasteful number, since it uses less digits than its factorization.

82233228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89022 (or 89020 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 82233228 is about 9068.2538561732. The cubic root of 82233228 is about 434.8596508513.

The spelling of 82233228 in words is "eighty-two million, two hundred thirty-three thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 924 88997 177994 266991 355988 533982 622979 978967 1067964 1245958 1868937 1957934 2491916 2936901 3737874 3915868 5873802 6852769 7475748 11747604 13705538 20558307 27411076 41116614 82233228