Base | Representation |
---|---|
bin | 10100110010100… |
… | …111111101111111 |
3 | 220022100122112122 |
4 | 110302213331333 |
5 | 1203244041411 |
6 | 54340153155 |
7 | 11433611012 |
oct | 2462477577 |
9 | 808318478 |
10 | 348815231 |
11 | 169996056 |
12 | 989987bb |
13 | 5735cb5b |
14 | 3447d379 |
15 | 209529db |
hex | 14ca7f7f |
348815231 has 8 divisors (see below), whose sum is σ = 370052064. Its totient is φ = 327658240.
The previous prime is 348815191. The next prime is 348815239. The reversal of 348815231 is 132518843.
It is a happy number.
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 348815231 - 214 = 348798847 is a prime.
It is a super-2 number, since 2×3488152312 = 243344130755166722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 348815191 and 348815200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (348815239) 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, 10835 + ... + 28548.
It is an arithmetic number, because the mean of its divisors is an integer number (46256508).
Almost surely, 2348815231 is an apocalyptic number.
348815231 is a deficient number, since it is larger than the sum of its proper divisors (21236833).
348815231 is a wasteful number, since it uses less digits than its factorization.
348815231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39921.
The product of its digits is 23040, while the sum is 35.
The square root of 348815231 is about 18676.5958086585. The cubic root of 348815231 is about 703.9337913103.
The spelling of 348815231 in words is "three hundred forty-eight million, eight hundred fifteen thousand, two hundred thirty-one".
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