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82266944 = 261783911
BaseRepresentation
bin1001110011101…
…00101101000000
312201210121000212
410321310231000
5132030020234
612055133252
72016154214
oct471645500
9181717025
1082266944
114248a411
1223674228
1314075186
14acd6944
1573505ce
hex4e74b40

82266944 has 56 divisors (see below), whose sum is σ = 175125888. Its totient is φ = 38205440.

The previous prime is 82266931. The next prime is 82266949. The reversal of 82266944 is 44966228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82266949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89849 + ... + 90759.

It is an arithmetic number, because the mean of its divisors is an integer number (3127248).

Almost surely, 282266944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82266944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87562944).

82266944 is an abundant number, since it is smaller than the sum of its proper divisors (92858944).

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

82266944 is a wasteful number, since it uses less digits than its factorization.

82266944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023 (or 1013 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 82266944 is about 9070.1126784622. The cubic root of 82266944 is about 434.9190742134.

The spelling of 82266944 in words is "eighty-two million, two hundred sixty-six thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 17 32 34 64 68 83 136 166 272 332 544 664 911 1088 1328 1411 1822 2656 2822 3644 5312 5644 7288 11288 14576 15487 22576 29152 30974 45152 58304 61948 75613 90304 123896 151226 247792 302452 495584 604904 991168 1209808 1285421 2419616 2570842 4839232 5141684 10283368 20566736 41133472 82266944