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82632816 = 243274239
BaseRepresentation
bin1001110110011…
…10000001110000
312202111011220200
410323032001300
5132123222231
612111035200
72022240000
oct473160160
9182434820
1082632816
114270a292
122380bb00
1314172876
14ad90000
1573c3be6
hex4ece070

82632816 has 150 divisors (see below), whose sum is σ = 270912720. Its totient is φ = 23510592.

The previous prime is 82632793. The next prime is 82632817. The reversal of 82632816 is 61823628.

82632816 is a `hidden beast` number, since 8 + 2 + 632 + 8 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82632817) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 345625 + ... + 345863.

Almost surely, 282632816 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 82632816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135456360).

82632816 is an abundant number, since it is smaller than the sum of its proper divisors (188279904).

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

82632816 is a wasteful number, since it uses less digits than its factorization.

82632816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 251 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 82632816 is about 9090.2594022393. The cubic root of 82632816 is about 435.5628702475.

The spelling of 82632816 in words is "eighty-two million, six hundred thirty-two thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 49 56 63 72 84 98 112 126 144 147 168 196 239 252 294 336 343 392 441 478 504 588 686 717 784 882 956 1008 1029 1176 1372 1434 1673 1764 1912 2058 2151 2352 2401 2744 2868 3087 3346 3528 3824 4116 4302 4802 5019 5488 5736 6174 6692 7056 7203 8232 8604 9604 10038 11472 11711 12348 13384 14406 15057 16464 17208 19208 20076 21609 23422 24696 26768 28812 30114 34416 35133 38416 40152 43218 46844 49392 57624 60228 70266 80304 81977 86436 93688 105399 115248 120456 140532 163954 172872 187376 210798 240912 245931 281064 327908 345744 421596 491862 562128 573839 655816 737793 843192 983724 1147678 1311632 1475586 1686384 1721517 1967448 2295356 2951172 3443034 3934896 4590712 5164551 5902344 6886068 9181424 10329102 11804688 13772136 20658204 27544272 41316408 82632816