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87099898 = 2337112919
BaseRepresentation
bin1010011000100…
…00100111111010
320001220010121011
411030100213322
5134244144043
612350504134
72105223364
oct514204772
9201803534
1087099898
1145190496
122520504a
1315077c02
14b7d3d34
1579a759d
hex53109fa

87099898 has 8 divisors (see below), whose sum is σ = 130698720. Its totient is φ = 43533660.

The previous prime is 87099893. The next prime is 87099899. The reversal of 87099898 is 89899078.

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

It is a super-2 number, since 2×870998982 = 15172784463220808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87099893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283 + ... + 13201.

It is an arithmetic number, because the mean of its divisors is an integer number (16337340).

Almost surely, 287099898 is an apocalyptic number.

87099898 is a deficient number, since it is larger than the sum of its proper divisors (43598822).

87099898 is a wasteful number, since it uses less digits than its factorization.

87099898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16292.

The product of its (nonzero) digits is 2612736, while the sum is 58.

The square root of 87099898 is about 9332.7326116202. The cubic root of 87099898 is about 443.2742960688.

The spelling of 87099898 in words is "eighty-seven million, ninety-nine thousand, eight hundred ninety-eight".

Divisors: 1 2 3371 6742 12919 25838 43549949 87099898