Base | Representation |
---|---|
bin | 10001101110000… |
… | …10010000000000 |
3 | 101100200221102100 |
4 | 20313002100000 |
5 | 301023113424 |
6 | 22425550400 |
7 | 3453313644 |
oct | 1067022000 |
9 | 340627370 |
10 | 148644864 |
11 | 769a70a5 |
12 | 41945400 |
13 | 24a46154 |
14 | 15a54c24 |
15 | d0b2dc9 |
hex | 8dc2400 |
148644864 has 99 divisors (see below), whose sum is σ = 432615027. Its totient is φ = 49158144.
The previous prime is 148644857. The next prime is 148644869. The reversal of 148644864 is 468446841.
The square root of 148644864 is 12192.
It is a perfect power (a square), and thus also a powerful number.
148644864 is a `hidden beast` number, since 148 + 6 + 448 + 64 = 666.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (148644869) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1170369 + ... + 1170495.
Almost surely, 2148644864 is an apocalyptic number.
148644864 is the 12192-nd square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 148644864
148644864 is an abundant number, since it is smaller than the sum of its proper divisors (283970163).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148644864 is an equidigital number, since it uses as much as digits as its factorization.
148644864 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 280 (or 132 counting only the distinct ones).
The product of its digits is 589824, while the sum is 45.
The cubic root of 148644864 is about 529.7243897507.
Multiplying 148644864 by its product of digits (589824), we get a square (87674308263936 = 93634562).
The spelling of 148644864 in words is "one hundred forty-eight million, six hundred forty-four thousand, eight hundred sixty-four".
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