Base | Representation |
---|---|
bin | 1111011110010… |
… | …0011110000010 |
3 | 11112010012121200 |
4 | 3313210132002 |
5 | 113103231241 |
6 | 10235002030 |
7 | 1415426520 |
oct | 367443602 |
9 | 145105550 |
10 | 64898946 |
11 | 336a75a2 |
12 | 19899316 |
13 | 105a3a58 |
14 | 8895310 |
15 | 5a6e4b6 |
hex | 3de4782 |
64898946 has 48 divisors (see below), whose sum is σ = 169166400. Its totient is φ = 17565984.
The previous prime is 64898929. The next prime is 64898957. The reversal of 64898946 is 64989846.
It is a junction number, because it is equal to n+sod(n) for n = 64898892 and 64898901.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11161 + ... + 15948.
It is an arithmetic number, because the mean of its divisors is an integer number (3524300).
Almost surely, 264898946 is an apocalyptic number.
64898946 is an abundant number, since it is smaller than the sum of its proper divisors (104267454).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64898946 is a wasteful number, since it uses less digits than its factorization.
64898946 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27143 (or 27140 counting only the distinct ones).
The product of its digits is 2985984, while the sum is 54.
The square root of 64898946 is about 8055.9882075385. The cubic root of 64898946 is about 401.8641034675.
The spelling of 64898946 in words is "sixty-four million, eight hundred ninety-eight thousand, nine hundred forty-six".
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