Base | Representation |
---|---|
bin | 10001101100110… |
… | …01101111110001 |
3 | 101100101111211210 |
4 | 20312121233301 |
5 | 301002311321 |
6 | 22422230333 |
7 | 3452023161 |
oct | 1066315761 |
9 | 340344753 |
10 | 148478961 |
11 | 768a3494 |
12 | 418853a9 |
13 | 249b8797 |
14 | 15a105a1 |
15 | d07db76 |
hex | 8d99bf1 |
148478961 has 8 divisors (see below), whose sum is σ = 206579520. Its totient is φ = 94682192.
The previous prime is 148478959. The next prime is 148479013. The reversal of 148478961 is 169874841.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 148478961 - 21 = 148478959 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 148478961.
It is not an unprimeable number, because it can be changed into a prime (148476961) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075866 + ... + 1076003.
It is an arithmetic number, because the mean of its divisors is an integer number (25822440).
Almost surely, 2148478961 is an apocalyptic number.
It is an amenable number.
148478961 is a deficient number, since it is larger than the sum of its proper divisors (58100559).
148478961 is a wasteful number, since it uses less digits than its factorization.
148478961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2151895.
The product of its digits is 387072, while the sum is 48.
The square root of 148478961 is about 12185.1943357503. The cubic root of 148478961 is about 529.5272407007.
The spelling of 148478961 in words is "one hundred forty-eight million, four hundred seventy-eight thousand, nine hundred sixty-one".
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