Base | Representation |
---|---|
bin | 1111011010001… |
… | …0110100100000 |
3 | 11111121112202111 |
4 | 3312202310200 |
5 | 113021130143 |
6 | 10225125104 |
7 | 1413226540 |
oct | 366426440 |
9 | 144545674 |
10 | 64630048 |
11 | 3353356a |
12 | 19789794 |
13 | 1050b542 |
14 | 8825320 |
15 | 5a1999d |
hex | 3da2d20 |
64630048 has 24 divisors (see below), whose sum is σ = 145418112. Its totient is φ = 27698496.
The previous prime is 64630043. The next prime is 64630051. The reversal of 64630048 is 84003646.
It is not an unprimeable number, because it can be changed into a prime (64630043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144040 + ... + 144487.
It is an arithmetic number, because the mean of its divisors is an integer number (6059088).
Almost surely, 264630048 is an apocalyptic number.
It is an amenable number.
64630048 is an abundant number, since it is smaller than the sum of its proper divisors (80788064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64630048 is a wasteful number, since it uses less digits than its factorization.
64630048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 288544 (or 288536 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 31.
The square root of 64630048 is about 8039.2815599405. The cubic root of 64630048 is about 401.3083161069.
The spelling of 64630048 in words is "sixty-four million, six hundred thirty thousand, forty-eight".
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