Base | Representation |
---|---|
bin | 10001101110001… |
… | …00111101100001 |
3 | 101100201111122122 |
4 | 20313010331201 |
5 | 301023442334 |
6 | 22430114025 |
7 | 3453361220 |
oct | 1067047541 |
9 | 340644578 |
10 | 148655969 |
11 | 76a04480 |
12 | 4194b915 |
13 | 24a4b217 |
14 | 15a58cb7 |
15 | d0b632e |
hex | 8dc4f61 |
148655969 has 16 divisors (see below), whose sum is σ = 193397760. Its totient is φ = 110798160.
The previous prime is 148655957. The next prime is 148655977. The reversal of 148655969 is 969556841.
It is a happy number.
148655969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 148655969 - 24 = 148655953 is a prime.
It is a super-2 number, since 2×1486559692 = 44197194238657922, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 148655969.
It is not an unprimeable number, because it can be changed into a prime (148655909) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40199 + ... + 43740.
It is an arithmetic number, because the mean of its divisors is an integer number (12087360).
Almost surely, 2148655969 is an apocalyptic number.
It is an amenable number.
148655969 is a deficient number, since it is larger than the sum of its proper divisors (44741791).
148655969 is a wasteful number, since it uses less digits than its factorization.
148655969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83980.
The product of its digits is 2332800, while the sum is 53.
The square root of 148655969 is about 12192.4554130823. The cubic root of 148655969 is about 529.7375810191.
The spelling of 148655969 in words is "one hundred forty-eight million, six hundred fifty-five thousand, nine hundred sixty-nine".
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