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87875282 = 21143001
BaseRepresentation
bin1010011110011…
…01111011010010
320010100112020002
411033031323102
5134444002112
612415250002
72114633105
oct517157322
9203315202
1087875282
1145670000
1225519902
1315289b11
14b95673c
157aac1c2
hex53cded2

87875282 has 20 divisors (see below), whose sum is σ = 145041630. Its totient is φ = 39930000.

The previous prime is 87875279. The next prime is 87875303. The reversal of 87875282 is 28257878.

It can be written as a sum of positive squares in only one way, i.e., 73805281 + 14070001 = 8591^2 + 3751^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 27782 + ... + 30782.

Almost surely, 287875282 is an apocalyptic number.

87875282 is a deficient number, since it is larger than the sum of its proper divisors (57166348).

87875282 is an equidigital number, since it uses as much as digits as its factorization.

87875282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047 (or 3014 counting only the distinct ones).

The product of its digits is 501760, while the sum is 47.

The square root of 87875282 is about 9374.1816709513. The cubic root of 87875282 is about 444.5857897149.

The spelling of 87875282 in words is "eighty-seven million, eight hundred seventy-five thousand, two hundred eighty-two".

Divisors: 1 2 11 22 121 242 1331 2662 3001 6002 14641 29282 33011 66022 363121 726242 3994331 7988662 43937641 87875282