| Base | Representation |
|---|---|
| bin | 101000001011011… |
| … | …0101000100110000 |
| 3 | 10110221210201101000 |
| 4 | 1100112311010300 |
| 5 | 10230112134330 |
| 6 | 341435442000 |
| 7 | 45260120664 |
| oct | 12026650460 |
| 9 | 3427721330 |
| 10 | 1348161840 |
| 11 | 632002a43 |
| 12 | 3175b6300 |
| 13 | 1863cb7cc |
| 14 | cb09a8a4 |
| 15 | 7d555560 |
| hex | 505b5130 |
1348161840 has 80 divisors (see below), whose sum is σ = 4643676000. Its totient is φ = 359509248.
The previous prime is 1348161833. The next prime is 1348161847. The reversal of 1348161840 is 481618431.
It is a happy number.
1348161840 is a `hidden beast` number, since 1 + 34 + 8 + 1 + 618 + 4 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (1348161833) and next prime (1348161847).
It is a tau number, because it is divible by the number of its divisors (80).
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 1348161795 and 1348161804.
It is not an unprimeable number, because it can be changed into a prime (1348161847) 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, 309915 + ... + 314234.
It is an arithmetic number, because the mean of its divisors is an integer number (58045950).
Almost surely, 21348161840 is an apocalyptic number.
1348161840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1348161840 is an abundant number, since it is smaller than the sum of its proper divisors (3295514160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1348161840 is a wasteful number, since it uses less digits than its factorization.
1348161840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 624171 (or 624159 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The square root of 1348161840 is about 36717.3234318625. The cubic root of 1348161840 is about 1104.7076040233.
The spelling of 1348161840 in words is "one billion, three hundred forty-eight million, one hundred sixty-one thousand, eight hundred forty".
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