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87053533 = 732533823
BaseRepresentation
bin1010011000001…
…01010011011101
320001210202222221
411030011103131
5134241203113
612345505341
72104641250
oct514052335
9201722887
1087053533
1145159676
12251a2251
131505ca88
14b7c1097
15799898d
hex53054dd

87053533 has 8 divisors (see below), whose sum is σ = 99546368. Its totient is φ = 74574864.

The previous prime is 87053531. The next prime is 87053557. The reversal of 87053533 is 33535078.

It is a happy number.

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

It is not a de Polignac number, because 87053533 - 21 = 87053531 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87053531) 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, 20860 + ... + 24682.

It is an arithmetic number, because the mean of its divisors is an integer number (12443296).

Almost surely, 287053533 is an apocalyptic number.

It is an amenable number.

87053533 is a deficient number, since it is larger than the sum of its proper divisors (12492835).

87053533 is a wasteful number, since it uses less digits than its factorization.

87053533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7083.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 87053533 is about 9330.2482817983. The cubic root of 87053533 is about 443.1956275471.

The spelling of 87053533 in words is "eighty-seven million, fifty-three thousand, five hundred thirty-three".

Divisors: 1 7 3253 3823 22771 26761 12436219 87053533