Base | Representation |
---|---|
bin | 1010010111010… |
… | …01001011101001 |
3 | 20001120220222201 |
4 | 11023221023221 |
5 | 134224011340 |
6 | 12343220201 |
7 | 2103651364 |
oct | 513511351 |
9 | 201526881 |
10 | 86938345 |
11 | 4509007a |
12 | 25147661 |
13 | 1501c510 |
14 | b7910db |
15 | 797479a |
hex | 52e92e9 |
86938345 has 24 divisors (see below), whose sum is σ = 115587864. Its totient is φ = 62401536.
The previous prime is 86938339. The next prime is 86938349. The reversal of 86938345 is 54383968.
It can be written as a sum of positive squares in 12 ways, for example, as 318096 + 86620249 = 564^2 + 9307^2 .
It is not a de Polignac number, because 86938345 - 23 = 86938337 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 86938295 and 86938304.
It is not an unprimeable number, because it can be changed into a prime (86938349) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88497 + ... + 89473.
It is an arithmetic number, because the mean of its divisors is an integer number (4816161).
Almost surely, 286938345 is an apocalyptic number.
It is an amenable number.
86938345 is a deficient number, since it is larger than the sum of its proper divisors (28649519).
86938345 is a wasteful number, since it uses less digits than its factorization.
86938345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1069 (or 1032 counting only the distinct ones).
The product of its digits is 622080, while the sum is 46.
The square root of 86938345 is about 9324.0734124094. The cubic root of 86938345 is about 443.0000645438. Note that the first 4 decimals are identical.
The spelling of 86938345 in words is "eighty-six million, nine hundred thirty-eight thousand, three hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.197 sec. • engine limits •