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87373713 = 372594379
BaseRepresentation
bin1010011010100…
…11011110010001
320002102001012110
411031103132101
5134331424323
612400415533
72110443600
oct515233621
9202361173
1087373713
1145358189
12253175a9
131514272b
14b865a37
157a0d793
hex5353791

87373713 has 12 divisors (see below), whose sum is σ = 135518640. Its totient is φ = 49927752.

The previous prime is 87373709. The next prime is 87373729. The reversal of 87373713 is 31737378.

It is a happy number.

It is not a de Polignac number, because 87373713 - 22 = 87373709 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87373753) 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, 297043 + ... + 297336.

It is an arithmetic number, because the mean of its divisors is an integer number (11293220).

Almost surely, 287373713 is an apocalyptic number.

It is an amenable number.

87373713 is a deficient number, since it is larger than the sum of its proper divisors (48144927).

87373713 is a wasteful number, since it uses less digits than its factorization.

87373713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594396 (or 594389 counting only the distinct ones).

The product of its digits is 74088, while the sum is 39.

The square root of 87373713 is about 9347.3907054322. The cubic root of 87373713 is about 443.7383156878.

The spelling of 87373713 in words is "eighty-seven million, three hundred seventy-three thousand, seven hundred thirteen".

Divisors: 1 3 7 21 49 147 594379 1783137 4160653 12481959 29124571 87373713