Base | Representation |
---|---|
bin | 1011100111010… |
… | …0010101101101 |
3 | 10101122202221220 |
4 | 2321310111231 |
5 | 44432223041 |
6 | 4500013553 |
7 | 1131015432 |
oct | 271642555 |
9 | 111582856 |
10 | 48711021 |
11 | 25550347 |
12 | 143912b9 |
13 | a1267b8 |
14 | 667db89 |
15 | 4422d66 |
hex | 2e7456d |
48711021 has 16 divisors (see below), whose sum is σ = 65856000. Its totient is φ = 32023728.
The previous prime is 48711017. The next prime is 48711031. The reversal of 48711021 is 12011784.
It is not a de Polignac number, because 48711021 - 22 = 48711017 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 48710982 and 48711000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48711011) 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, 82690 + ... + 83276.
It is an arithmetic number, because the mean of its divisors is an integer number (4116000).
Almost surely, 248711021 is an apocalyptic number.
It is an amenable number.
48711021 is a deficient number, since it is larger than the sum of its proper divisors (17144979).
48711021 is a wasteful number, since it uses less digits than its factorization.
48711021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 928.
The product of its (nonzero) digits is 448, while the sum is 24.
The square root of 48711021 is about 6979.3281195255. The cubic root of 48711021 is about 365.2097899489.
The spelling of 48711021 in words is "forty-eight million, seven hundred eleven thousand, twenty-one".
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