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27996898 = 243132479
BaseRepresentation
bin110101011001…
…1001011100010
31221200101112011
41222303023202
524131400043
62440023134
7456653416
oct152631342
957611464
1027996898
1114892536
129461aaa
135a53317
143a0ad46
1526d059d
hex1ab32e2

27996898 has 8 divisors (see below), whose sum is σ = 42094080. Its totient is φ = 13965540.

The previous prime is 27996893. The next prime is 27996923. The reversal of 27996898 is 89869972.

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

It is not an unprimeable number, because it can be changed into a prime (27996893) 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, 15378 + ... + 17101.

It is an arithmetic number, because the mean of its divisors is an integer number (5261760).

Almost surely, 227996898 is an apocalyptic number.

27996898 is a deficient number, since it is larger than the sum of its proper divisors (14097182).

27996898 is a wasteful number, since it uses less digits than its factorization.

27996898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32912.

The product of its digits is 3919104, while the sum is 58.

The square root of 27996898 is about 5291.2095025618. The cubic root of 27996898 is about 303.6476830842.

The spelling of 27996898 in words is "twenty-seven million, nine hundred ninety-six thousand, eight hundred ninety-eight".

Divisors: 1 2 431 862 32479 64958 13998449 27996898