Base | Representation |
---|---|
bin | 10001101100101… |
… | …11000101110001 |
3 | 101100100221220211 |
4 | 20312113011301 |
5 | 301001434311 |
6 | 22422104121 |
7 | 3451646356 |
oct | 1066270561 |
9 | 340327824 |
10 | 148468081 |
11 | 768962a3 |
12 | 4187b041 |
13 | 249b3848 |
14 | 15a0a62d |
15 | d07a821 |
hex | 8d97171 |
148468081 has 16 divisors (see below), whose sum is σ = 156537360. Its totient is φ = 140627200.
The previous prime is 148468079. The next prime is 148468127. The reversal of 148468081 is 180864841.
It is a happy number.
148468081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 79495056 + 68973025 = 8916^2 + 8305^2 .
It is a cyclic number.
It is not a de Polignac number, because 148468081 - 21 = 148468079 is a prime.
It is a super-2 number, since 2×1484680812 = 44085542151645122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (148468781) 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, 506571 + ... + 506863.
It is an arithmetic number, because the mean of its divisors is an integer number (9783585).
Almost surely, 2148468081 is an apocalyptic number.
It is an amenable number.
148468081 is a deficient number, since it is larger than the sum of its proper divisors (8069279).
148468081 is a wasteful number, since it uses less digits than its factorization.
148468081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 596.
The product of its (nonzero) digits is 49152, while the sum is 40.
The square root of 148468081 is about 12184.7478841378. The cubic root of 148468081 is about 529.5143064393.
The spelling of 148468081 in words is "one hundred forty-eight million, four hundred sixty-eight thousand, eighty-one".
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