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87009098 = 2113954959
BaseRepresentation
bin1010010111110…
…10011101001010
320001201112001012
411023322131022
5134233242343
612344523522
72104364561
oct513723512
9201645035
1087009098
1145129250
12251805a2
1315045797
14b7acbd8
15798a718
hex52fa74a

87009098 has 8 divisors (see below), whose sum is σ = 142378560. Its totient is φ = 39549580.

The previous prime is 87009073. The next prime is 87009101. The reversal of 87009098 is 89090078.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1977458 + ... + 1977501.

It is an arithmetic number, because the mean of its divisors is an integer number (17797320).

Almost surely, 287009098 is an apocalyptic number.

87009098 is a deficient number, since it is larger than the sum of its proper divisors (55369462).

87009098 is a wasteful number, since it uses less digits than its factorization.

87009098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954972.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 87009098 is about 9327.8667443312. The cubic root of 87009098 is about 443.1202074820.

The spelling of 87009098 in words is "eighty-seven million, nine thousand, ninety-eight".

Divisors: 1 2 11 22 3954959 7909918 43504549 87009098