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87289294 = 2130133547
BaseRepresentation
bin1010011001111…
…10110111001110
320002020202101211
411030332313032
5134321224134
612354525034
72106642511
oct514766716
9202222354
1087289294
11452aa814
122529677a
1315113191
14b842d78
1579e3764
hex533edce

87289294 has 8 divisors (see below), whose sum is σ = 131038488. Its totient is φ = 43609800.

The previous prime is 87289291. The next prime is 87289297. The reversal of 87289294 is 49298278.

It is an interprime number because it is at equal distance from previous prime (87289291) and next prime (87289297).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87289291) 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 3 ways as a sum of consecutive naturals, for example, 14172 + ... + 19375.

It is an arithmetic number, because the mean of its divisors is an integer number (16379811).

Almost surely, 287289294 is an apocalyptic number.

87289294 is a deficient number, since it is larger than the sum of its proper divisors (43749194).

87289294 is a wasteful number, since it uses less digits than its factorization.

87289294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34850.

The product of its digits is 580608, while the sum is 49.

The square root of 87289294 is about 9342.8739689669. The cubic root of 87289294 is about 443.5953588249.

The spelling of 87289294 in words is "eighty-seven million, two hundred eighty-nine thousand, two hundred ninety-four".

Divisors: 1 2 1301 2602 33547 67094 43644647 87289294