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82725888 = 210373847
BaseRepresentation
bin1001110111001…
…00110000000000
312202122220120210
410323210300000
5132134212023
612113034120
72023105230
oct473446000
9182586523
1082725888
1142773203
1223855940
13141a603b
14adb5cc0
1573e1593
hex4ee4c00

82725888 has 88 divisors (see below), whose sum is σ = 252059392. Its totient is φ = 23629824.

The previous prime is 82725857. The next prime is 82725889. The reversal of 82725888 is 88852728.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82725889) 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, 19581 + ... + 23427.

Almost surely, 282725888 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 82725888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126029696).

82725888 is an abundant number, since it is smaller than the sum of its proper divisors (169333504).

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

82725888 is a wasteful number, since it uses less digits than its factorization.

82725888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877 (or 3859 counting only the distinct ones).

The product of its digits is 573440, while the sum is 48.

The square root of 82725888 is about 9095.3772873917. The cubic root of 82725888 is about 435.7263383825.

The spelling of 82725888 in words is "eighty-two million, seven hundred twenty-five thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 512 672 768 896 1024 1344 1536 1792 2688 3072 3584 3847 5376 7168 7694 10752 11541 15388 21504 23082 26929 30776 46164 53858 61552 80787 92328 107716 123104 161574 184656 215432 246208 323148 369312 430864 492416 646296 738624 861728 984832 1292592 1477248 1723456 1969664 2585184 2954496 3446912 3939328 5170368 5908992 6893824 10340736 11817984 13787648 20681472 27575296 41362944 82725888