Base | Representation |
---|---|
bin | 1000000110010110… |
… | …01000000010111001 |
3 | 102020000221020021211 |
4 | 10003023020002321 |
5 | 32401120343411 |
6 | 1555245203121 |
7 | 212516136031 |
oct | 40313100271 |
9 | 12200836254 |
10 | 4348215481 |
11 | 19314aa715 |
12 | a142604a1 |
13 | 543b0158c |
14 | 2d36b88c1 |
15 | 1a6b0a221 |
hex | 1032c80b9 |
4348215481 has 27 divisors (see below), whose sum is σ = 4721641743. Its totient is φ = 4003937520.
The previous prime is 4348215461. The next prime is 4348215497. The reversal of 4348215481 is 1845128434.
The square root of 4348215481 is 65941.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 141395881 + 4206819600 = 11891^2 + 64860^2 .
It is a de Polignac number, because none of the positive numbers 2k-4348215481 is a prime.
It is a super-2 number, since 2×43482154812 = 37813955738416122722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (4348215461) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 71282191 + ... + 71282251.
Almost surely, 24348215481 is an apocalyptic number.
4348215481 is the 65941-st square number.
4348215481 is the 32971-st centered octagonal number.
It is an amenable number.
4348215481 is a deficient number, since it is larger than the sum of its proper divisors (373426262).
4348215481 is an frugal number, since it uses more digits than its factorization.
4348215481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 262 (or 131 counting only the distinct ones).
The product of its digits is 122880, while the sum is 40.
The cubic root of 4348215481 is about 1632.1886467390.
The spelling of 4348215481 in words is "four billion, three hundred forty-eight million, two hundred fifteen thousand, four hundred eighty-one".
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