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84285824 = 277194951
BaseRepresentation
bin1010000011000…
…01100110000000
312212121011102012
411001201212000
5133034121244
612210312052
72042263160
oct501414600
9185534365
1084285824
1143639207
1224288628
131460108c
14b2a05a0
1575ed89e
hex5061980

84285824 has 64 divisors (see below), whose sum is σ = 202041600. Its totient is φ = 34214400.

The previous prime is 84285809. The next prime is 84285857. The reversal of 84285824 is 42858248.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14549 + ... + 19499.

It is an arithmetic number, because the mean of its divisors is an integer number (3156900).

Almost surely, 284285824 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 84285824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101020800).

84285824 is an abundant number, since it is smaller than the sum of its proper divisors (117755776).

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

84285824 is a wasteful number, since it uses less digits than its factorization.

84285824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4991 (or 4979 counting only the distinct ones).

The product of its digits is 163840, while the sum is 41.

The square root of 84285824 is about 9180.7311255695. The cubic root of 84285824 is about 438.4480864369.

The spelling of 84285824 in words is "eighty-four million, two hundred eighty-five thousand, eight hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 19 28 32 38 56 64 76 112 128 133 152 224 266 304 448 532 608 896 1064 1216 2128 2432 4256 4951 8512 9902 17024 19804 34657 39608 69314 79216 94069 138628 158432 188138 277256 316864 376276 554512 633728 658483 752552 1109024 1316966 1505104 2218048 2633932 3010208 4436096 5267864 6020416 10535728 12040832 21071456 42142912 84285824