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87248095 = 51119292879
BaseRepresentation
bin1010011001101…
…00110011011111
320002011122212221
411030310303133
5134313414340
612354010211
72106411424
oct514646337
9202148787
1087248095
1145281870
1225276967
13150ca4bc
14b831d4b
1579d644a
hex5334cdf

87248095 has 32 divisors (see below), whose sum is σ = 124416000. Its totient is φ = 58020480.

The previous prime is 87248093. The next prime is 87248099. The reversal of 87248095 is 59084278.

It is not a de Polignac number, because 87248095 - 21 = 87248093 is a prime.

It is a super-2 number, since 2×872480952 = 15224460162258050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87248093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28866 + ... + 31744.

It is an arithmetic number, because the mean of its divisors is an integer number (3888000).

Almost surely, 287248095 is an apocalyptic number.

87248095 is a deficient number, since it is larger than the sum of its proper divisors (37167905).

87248095 is a wasteful number, since it uses less digits than its factorization.

87248095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 87248095 is about 9340.6688732660. The cubic root of 87248095 is about 443.5255581259.

The spelling of 87248095 in words is "eighty-seven million, two hundred forty-eight thousand, ninety-five".

Divisors: 1 5 11 19 29 55 95 145 209 319 551 1045 1595 2755 2879 6061 14395 30305 31669 54701 83491 158345 273505 417455 601711 918401 1586329 3008555 4592005 7931645 17449619 87248095