Base | Representation |
---|---|
bin | 1010011001000… |
… | …10101111010001 |
3 | 20002000220101021 |
4 | 11030202233101 |
5 | 134304032342 |
6 | 12352235441 |
7 | 2105652613 |
oct | 514425721 |
9 | 202026337 |
10 | 87174097 |
11 | 4523120a |
12 | 2523bb81 |
13 | 150a290a |
14 | b812db3 |
15 | 79be567 |
hex | 5322bd1 |
87174097 has 2 divisors, whose sum is σ = 87174098. Its totient is φ = 87174096.
The previous prime is 87174053. The next prime is 87174107. The reversal of 87174097 is 79047178.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 71166096 + 16008001 = 8436^2 + 4001^2 .
It is a cyclic number.
It is not a de Polignac number, because 87174097 - 27 = 87173969 is a prime.
It is not a weakly prime, because it can be changed into another prime (87174007) 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 as a sum of consecutive naturals, namely, 43587048 + 43587049.
It is an arithmetic number, because the mean of its divisors is an integer number (43587049).
Almost surely, 287174097 is an apocalyptic number.
It is an amenable number.
87174097 is a deficient number, since it is larger than the sum of its proper divisors (1).
87174097 is an equidigital number, since it uses as much as digits as its factorization.
87174097 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 98784, while the sum is 43.
The square root of 87174097 is about 9336.7069676626. The cubic root of 87174097 is about 443.4001330867.
The spelling of 87174097 in words is "eighty-seven million, one hundred seventy-four thousand, ninety-seven".
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