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87427298 = 2711875261
BaseRepresentation
bin1010011011000…
…00100011100010
320002111202201002
411031200203202
5134340133143
612401512002
72111056040
oct515404342
9202452632
1087427298
1145394472
1225342602
1315160c3a
14b87b390
157a1e5b8
hex53608e2

87427298 has 16 divisors (see below), whose sum is σ = 150030144. Its totient is φ = 37430160.

The previous prime is 87427297. The next prime is 87427343. The reversal of 87427298 is 89272478.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87427297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13988 + ... + 19248.

It is an arithmetic number, because the mean of its divisors is an integer number (9376884).

Almost surely, 287427298 is an apocalyptic number.

87427298 is a deficient number, since it is larger than the sum of its proper divisors (62602846).

87427298 is a wasteful number, since it uses less digits than its factorization.

87427298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6457.

The product of its digits is 451584, while the sum is 47.

The square root of 87427298 is about 9350.2565740198. The cubic root of 87427298 is about 443.8290098553.

The spelling of 87427298 in words is "eighty-seven million, four hundred twenty-seven thousand, two hundred ninety-eight".

Divisors: 1 2 7 14 1187 2374 5261 8309 10522 16618 36827 73654 6244807 12489614 43713649 87427298