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87484985 = 5723108677
BaseRepresentation
bin1010011011011…
…10101000111001
320002121200211122
411031232220321
5134344004420
612403035025
72111416160
oct515565071
9202550748
1087484985
1145423845
122536ba75
1315181283
14b8943d7
157a31725
hex536ea39

87484985 has 16 divisors (see below), whose sum is σ = 125197056. Its totient is φ = 57380928.

The previous prime is 87484981. The next prime is 87485011. The reversal of 87484985 is 58948478.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 87484985 - 22 = 87484981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87484981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53534 + ... + 55143.

It is an arithmetic number, because the mean of its divisors is an integer number (7824816).

Almost surely, 287484985 is an apocalyptic number.

It is an amenable number.

87484985 is a deficient number, since it is larger than the sum of its proper divisors (37712071).

87484985 is a wasteful number, since it uses less digits than its factorization.

87484985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108712.

The product of its digits is 2580480, while the sum is 53.

The square root of 87484985 is about 9353.3408469915. The cubic root of 87484985 is about 443.9266053642.

The spelling of 87484985 in words is "eighty-seven million, four hundred eighty-four thousand, nine hundred eighty-five".

Divisors: 1 5 7 23 35 115 161 805 108677 543385 760739 2499571 3803695 12497855 17496997 87484985