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82224800 = 2552714683
BaseRepresentation
bin1001110011010…
…10011010100000
312201201110012222
410321222122200
5132022143200
612054210212
72015620310
oct471523240
9181643188
1082224800
1142460789
1223653968
131405bc38
14acc5440
157342d85
hex4e6a6a0

82224800 has 72 divisors (see below), whose sum is σ = 229422816. Its totient is φ = 28189440.

The previous prime is 82224781. The next prime is 82224809. The reversal of 82224800 is 842228.

It is a self number, because there is not a number n which added to its sum of digits gives 82224800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82224809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1742 + ... + 12941.

It is an arithmetic number, because the mean of its divisors is an integer number (3186428).

Almost surely, 282224800 is an apocalyptic number.

82224800 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 82224800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114711408).

82224800 is an abundant number, since it is smaller than the sum of its proper divisors (147198016).

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

82224800 is a wasteful number, since it uses less digits than its factorization.

82224800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14710 (or 14697 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 82224800 is about 9067.7891462032. The cubic root of 82224800 is about 434.8447942358.

The spelling of 82224800 in words is "eighty-two million, two hundred twenty-four thousand, eight hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 70 80 100 112 140 160 175 200 224 280 350 400 560 700 800 1120 1400 2800 5600 14683 29366 58732 73415 102781 117464 146830 205562 234928 293660 367075 411124 469856 513905 587320 734150 822248 1027810 1174640 1468300 1644496 2055620 2349280 2569525 2936600 3288992 4111240 5139050 5873200 8222480 10278100 11746400 16444960 20556200 41112400 82224800