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87071353 = 2316132347
BaseRepresentation
bin1010011000010…
…01101001111001
320001211200102221
411030021221321
5134242240403
612350124041
72105044225
oct514115171
9201750387
1087071353
1145170aa6
12251b0621
1315067c15
14b7c7785
15799ddbd
hex5309a79

87071353 has 8 divisors (see below), whose sum is σ = 90952128. Its totient is φ = 83198544.

The previous prime is 87071293. The next prime is 87071381. The reversal of 87071353 is 35317078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87071353 - 213 = 87063161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87072353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35926 + ... + 38272.

It is an arithmetic number, because the mean of its divisors is an integer number (11369016).

Almost surely, 287071353 is an apocalyptic number.

It is an amenable number.

87071353 is a deficient number, since it is larger than the sum of its proper divisors (3880775).

87071353 is a wasteful number, since it uses less digits than its factorization.

87071353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 87071353 is about 9331.2031914432. The cubic root of 87071353 is about 443.2258664395.

The spelling of 87071353 in words is "eighty-seven million, seventy-one thousand, three hundred fifty-three".

Divisors: 1 23 1613 2347 37099 53981 3785711 87071353