Base | Representation |
---|---|
bin | 1010101000000… |
… | …11001101100011 |
3 | 20012201212222211 |
4 | 11110003031203 |
5 | 140310021430 |
6 | 12502342551 |
7 | 2131460356 |
oct | 524031543 |
9 | 205655884 |
10 | 89142115 |
11 | 46355877 |
12 | 25a2aa57 |
13 | 1561161a |
14 | bba629d |
15 | 7c5c72a |
hex | 5503363 |
89142115 has 4 divisors (see below), whose sum is σ = 106970544. Its totient is φ = 71313688.
The previous prime is 89142107. The next prime is 89142121. The reversal of 89142115 is 51124198.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 89142115 - 23 = 89142107 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8914207 + ... + 8914216.
It is an arithmetic number, because the mean of its divisors is an integer number (26742636).
Almost surely, 289142115 is an apocalyptic number.
89142115 is a deficient number, since it is larger than the sum of its proper divisors (17828429).
89142115 is a wasteful number, since it uses less digits than its factorization.
89142115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17828428.
The product of its digits is 2880, while the sum is 31.
The square root of 89142115 is about 9441.5102075886. The cubic root of 89142115 is about 446.7120263457.
The spelling of 89142115 in words is "eighty-nine million, one hundred forty-two thousand, one hundred fifteen".
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