Base | Representation |
---|---|
bin | 10100110010000… |
… | …011001110100100 |
3 | 220022002000002220 |
4 | 110302003032210 |
5 | 1203224232430 |
6 | 54333032340 |
7 | 11432413164 |
oct | 2462031644 |
9 | 808060086 |
10 | 348664740 |
11 | 1698a2a86 |
12 | 989256b0 |
13 | 573094c8 |
14 | 344405a4 |
15 | 20923110 |
hex | 14c833a4 |
348664740 has 96 divisors (see below), whose sum is σ = 1007427456. Its totient is φ = 90055680.
The previous prime is 348664711. The next prime is 348664783. The reversal of 348664740 is 47466843.
It is a junction number, because it is equal to n+sod(n) for n = 348664692 and 348664701.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263280 + ... + 264600.
It is an arithmetic number, because the mean of its divisors is an integer number (10494036).
Almost surely, 2348664740 is an apocalyptic number.
348664740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 348664740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503713728).
348664740 is an abundant number, since it is smaller than the sum of its proper divisors (658762716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
348664740 is a wasteful number, since it uses less digits than its factorization.
348664740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1469 (or 1467 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 42.
The square root of 348664740 is about 18672.5665081156. The cubic root of 348664740 is about 703.8325429232.
The spelling of 348664740 in words is "three hundred forty-eight million, six hundred sixty-four thousand, seven hundred forty".
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