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84024864 = 2534711421
BaseRepresentation
bin1010000001000…
…01111000100000
312212002220110000
411000201320200
5133002243424
612200540000
72040125310
oct500417040
9185086400
1084024864
1143480140
1224181600
131453c371
14b233440
15759b3c9
hex5021e20

84024864 has 240 divisors, whose sum is σ = 308822976. Its totient is φ = 21772800.

The previous prime is 84024833. The next prime is 84024893. The reversal of 84024864 is 46842048.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 199374 + ... + 199794.

Almost surely, 284024864 is an apocalyptic number.

84024864 is a gapful number since it is divisible by the number (84) 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 84024864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154411488).

84024864 is an abundant number, since it is smaller than the sum of its proper divisors (224798112).

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

84024864 is a wasteful number, since it uses less digits than its factorization.

84024864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 84024864 is about 9166.5077319555. The cubic root of 84024864 is about 437.9951209815.

The spelling of 84024864 in words is "eighty-four million, twenty-four thousand, eight hundred sixty-four".