Base | Representation |
---|---|
bin | 1010100111110… |
… | …10101000001101 |
3 | 20012200002202200 |
4 | 11103322220031 |
5 | 140302410312 |
6 | 12501512113 |
7 | 2131253022 |
oct | 523725015 |
9 | 205602680 |
10 | 89106957 |
11 | 46331415 |
12 | 25a12639 |
13 | 155cb614 |
14 | bb97549 |
15 | 7c520dc |
hex | 54faa0d |
89106957 has 6 divisors (see below), whose sum is σ = 128710062. Its totient is φ = 59404632.
The previous prime is 89106943. The next prime is 89106961. The reversal of 89106957 is 75960198.
It can be written as a sum of positive squares in only one way, i.e., 61921161 + 27185796 = 7869^2 + 5214^2 .
It is not a de Polignac number, because 89106957 - 220 = 88058381 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89102957) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4950378 + ... + 4950395.
It is an arithmetic number, because the mean of its divisors is an integer number (21451677).
Almost surely, 289106957 is an apocalyptic number.
It is an amenable number.
89106957 is a deficient number, since it is larger than the sum of its proper divisors (39603105).
89106957 is a wasteful number, since it uses less digits than its factorization.
89106957 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9900779 (or 9900776 counting only the distinct ones).
The product of its (nonzero) digits is 136080, while the sum is 45.
The square root of 89106957 is about 9439.6481396289. The cubic root of 89106957 is about 446.6532902977.
The spelling of 89106957 in words is "eighty-nine million, one hundred six thousand, nine hundred fifty-seven".
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