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87028341 = 3191526813
BaseRepresentation
bin1010010111111…
…11001001110101
320001202111102220
411023333021311
5134234401331
612345152553
72104504641
oct513771165
9201674386
1087028341
1145141754
122518b759
131505147a
14b7b5c21
157991296
hex52ff275

87028341 has 8 divisors (see below), whose sum is σ = 122145120. Its totient is φ = 54965232.

The previous prime is 87028339. The next prime is 87028351. The reversal of 87028341 is 14382078.

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

It is not a de Polignac number, because 87028341 - 21 = 87028339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87028351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763350 + ... + 763463.

It is an arithmetic number, because the mean of its divisors is an integer number (15268140).

Almost surely, 287028341 is an apocalyptic number.

It is an amenable number.

87028341 is a deficient number, since it is larger than the sum of its proper divisors (35116779).

87028341 is a wasteful number, since it uses less digits than its factorization.

87028341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526835.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 87028341 is about 9328.8981664503. The cubic root of 87028341 is about 443.1528720111.

The spelling of 87028341 in words is "eighty-seven million, twenty-eight thousand, three hundred forty-one".

Divisors: 1 3 19 57 1526813 4580439 29009447 87028341