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84986384 = 2472108401
BaseRepresentation
bin1010001000011…
…00101000010000
312220220202101212
411010030220100
5133224031014
612233315252
72051241500
oct504145020
9186822355
1084986384
1143a7758a
1224565b28
13147b7c02
14b403a00
1576db23e
hex510ca10

84986384 has 30 divisors (see below), whose sum is σ = 191546334. Its totient is φ = 36422400.

The previous prime is 84986371. The next prime is 84986389. The reversal of 84986384 is 48368948.

It can be written as a sum of positive squares in only one way, i.e., 72931600 + 12054784 = 8540^2 + 3472^2 .

It is not an unprimeable number, because it can be changed into a prime (84986389) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53417 + ... + 54984.

Almost surely, 284986384 is an apocalyptic number.

It is an amenable number.

84986384 is an abundant number, since it is smaller than the sum of its proper divisors (106559950).

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

84986384 is a wasteful number, since it uses less digits than its factorization.

84986384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108423 (or 108410 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The square root of 84986384 is about 9218.8059964401. The cubic root of 84986384 is about 439.6594886159.

The spelling of 84986384 in words is "eighty-four million, nine hundred eighty-six thousand, three hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 784 108401 216802 433604 758807 867208 1517614 1734416 3035228 5311649 6070456 10623298 12140912 21246596 42493192 84986384