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87066267 = 3213113619
BaseRepresentation
bin1010011000010…
…00011010011011
320001211102110120
411030020122123
5134242110032
612350044323
72105023341
oct514103233
9201742416
1087066267
11451681a2
12251a96a3
1315065802
14b7c5991
15799c62c
hex530869b

87066267 has 8 divisors (see below), whose sum is σ = 116151360. Its totient is φ = 58012680.

The previous prime is 87066263. The next prime is 87066283. The reversal of 87066267 is 76266078.

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

It is not a de Polignac number, because 87066267 - 22 = 87066263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87066263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417 + ... + 13202.

It is an arithmetic number, because the mean of its divisors is an integer number (14518920).

Almost surely, 287066267 is an apocalyptic number.

87066267 is a deficient number, since it is larger than the sum of its proper divisors (29085093).

87066267 is a wasteful number, since it uses less digits than its factorization.

87066267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15753.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 87066267 is about 9330.9306609791. The cubic root of 87066267 is about 443.2172363885.

The spelling of 87066267 in words is "eighty-seven million, sixty-six thousand, two hundred sixty-seven".

Divisors: 1 3 2131 6393 13619 40857 29022089 87066267