Base | Representation |
---|---|
bin | 1111011111010… |
… | …1010100010000 |
3 | 11112020201021110 |
4 | 3313311110100 |
5 | 113112433302 |
6 | 10240253320 |
7 | 1416134640 |
oct | 367652420 |
9 | 145221243 |
10 | 64967952 |
11 | 33744425 |
12 | 19911240 |
13 | 105c929a |
14 | 88b2520 |
15 | 5a84b6c |
hex | 3df5510 |
64967952 has 40 divisors (see below), whose sum is σ = 191811136. Its totient is φ = 18562176.
The previous prime is 64967951. The next prime is 64967963. The reversal of 64967952 is 25976946.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is not an unprimeable number, because it can be changed into a prime (64967951) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96343 + ... + 97014.
Almost surely, 264967952 is an apocalyptic number.
It is an amenable number.
64967952 is an abundant number, since it is smaller than the sum of its proper divisors (126843184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64967952 is a wasteful number, since it uses less digits than its factorization.
64967952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 193375 (or 193369 counting only the distinct ones).
The product of its digits is 816480, while the sum is 48.
The square root of 64967952 is about 8060.2699706648. The cubic root of 64967952 is about 402.0064848834.
The spelling of 64967952 in words is "sixty-four million, nine hundred sixty-seven thousand, nine hundred fifty-two".
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