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84987364 = 22721139419
BaseRepresentation
bin1010001000011…
…00110111100100
312220220210202011
411010030313210
5133224043424
612233324004
72051244400
oct504146744
9186823664
1084987364
1143a782a0
1224566604
13147b84a7
14b404100
1576db694
hex510cde4

84987364 has 36 divisors (see below), whose sum is σ = 188742960. Its totient is φ = 33111120.

The previous prime is 84987349. The next prime is 84987367. The reversal of 84987364 is 46378948.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (84987367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17554 + ... + 21865.

It is an arithmetic number, because the mean of its divisors is an integer number (5242860).

Almost surely, 284987364 is an apocalyptic number.

It is an amenable number.

84987364 is an abundant number, since it is smaller than the sum of its proper divisors (103755596).

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

84987364 is a wasteful number, since it uses less digits than its factorization.

84987364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39448 (or 39439 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 84987364 is about 9218.8591485064. The cubic root of 84987364 is about 439.6611785519.

The spelling of 84987364 in words is "eighty-four million, nine hundred eighty-seven thousand, three hundred sixty-four".

Divisors: 1 2 4 7 11 14 22 28 44 49 77 98 154 196 308 539 1078 2156 39419 78838 157676 275933 433609 551866 867218 1103732 1734436 1931531 3035263 3863062 6070526 7726124 12141052 21246841 42493682 84987364