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82289088 = 263376803
BaseRepresentation
bin1001110011110…
…10000111000000
312201211201102000
410321322013000
5132031222323
612055424000
72016305610
oct471720700
9181751360
1082289088
11424a5012
1223685000
131408228b
14ad00a40
157356e43
hex4e7a1c0

82289088 has 112 divisors (see below), whose sum is σ = 276514560. Its totient is φ = 23507712.

The previous prime is 82289063. The next prime is 82289113. The reversal of 82289088 is 88098228.

It is an interprime number because it is at equal distance from previous prime (82289063) and next prime (82289113).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8695 + ... + 15497.

It is an arithmetic number, because the mean of its divisors is an integer number (2468880).

Almost surely, 282289088 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 82289088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138257280).

82289088 is an abundant number, since it is smaller than the sum of its proper divisors (194225472).

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

82289088 is a wasteful number, since it uses less digits than its factorization.

82289088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6831 (or 6815 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 82289088 is about 9071.3333088361. Note that the first 4 decimals coincide. The cubic root of 82289088 is about 434.9580934660.

The spelling of 82289088 in words is "eighty-two million, two hundred eighty-nine thousand, eighty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 84 96 108 112 126 144 168 189 192 216 224 252 288 336 378 432 448 504 576 672 756 864 1008 1344 1512 1728 2016 3024 4032 6048 6803 12096 13606 20409 27212 40818 47621 54424 61227 81636 95242 108848 122454 142863 163272 183681 190484 217696 244908 285726 326544 367362 380968 428589 435392 489816 571452 653088 734724 761936 857178 979632 1142904 1285767 1306176 1469448 1523872 1714356 1959264 2285808 2571534 2938896 3047744 3428712 3918528 4571616 5143068 5877792 6857424 9143232 10286136 11755584 13714848 20572272 27429696 41144544 82289088