Base | Representation |
---|---|
bin | 10001101010110… |
… | …11011110100000 |
3 | 101022220112222020 |
4 | 20311123132200 |
5 | 300421131104 |
6 | 22412541440 |
7 | 3446611443 |
oct | 1065333640 |
9 | 338815866 |
10 | 148223904 |
11 | 767398a4 |
12 | 41781880 |
13 | 2492966a |
14 | 1598565a |
15 | d02d2d9 |
hex | 8d5b7a0 |
148223904 has 24 divisors (see below), whose sum is σ = 389088000. Its totient is φ = 49407936.
The previous prime is 148223903. The next prime is 148223923. The reversal of 148223904 is 409322841.
148223904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (24).
It is a super-4 number, since 4×1482239044 (a number of 34 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (148223903) 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, 771904 + ... + 772095.
It is an arithmetic number, because the mean of its divisors is an integer number (16212000).
Almost surely, 2148223904 is an apocalyptic number.
It is an amenable number.
148223904 is an abundant number, since it is smaller than the sum of its proper divisors (240864096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148223904 is a wasteful number, since it uses less digits than its factorization.
148223904 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1544012 (or 1544004 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 148223904 is about 12174.7239804441. The cubic root of 148223904 is about 529.2238598098.
The spelling of 148223904 in words is "one hundred forty-eight million, two hundred twenty-three thousand, nine hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.128 sec. • engine limits •