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87474395 = 588319813
BaseRepresentation
bin1010011011011…
…00000011011011
320002121011022102
411031230003123
5134343140040
612402514015
72111343251
oct515540333
9202534272
1087474395
1145416898
122536590b
13151794c8
14b8905d1
157a2d515
hex536c0db

87474395 has 8 divisors (see below), whose sum is σ = 105093456. Its totient is φ = 69896736.

The previous prime is 87474391. The next prime is 87474397. The reversal of 87474395 is 59347478.

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

It is a cyclic number.

It is not a de Polignac number, because 87474395 - 22 = 87474391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87474391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5492 + ... + 14321.

It is an arithmetic number, because the mean of its divisors is an integer number (13136682).

Almost surely, 287474395 is an apocalyptic number.

87474395 is a deficient number, since it is larger than the sum of its proper divisors (17619061).

87474395 is a wasteful number, since it uses less digits than its factorization.

87474395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20701.

The product of its digits is 846720, while the sum is 47.

The square root of 87474395 is about 9352.7747219742. The cubic root of 87474395 is about 443.9086923000.

The spelling of 87474395 in words is "eighty-seven million, four hundred seventy-four thousand, three hundred ninety-five".

Divisors: 1 5 883 4415 19813 99065 17494879 87474395