Base | Representation |
---|---|
bin | 10100110010110… |
… | …110010001110000 |
3 | 220022110121221100 |
4 | 110302312101300 |
5 | 1203302430330 |
6 | 54341324400 |
7 | 11434243620 |
oct | 2462662160 |
9 | 808417840 |
10 | 348873840 |
11 | 169a26097 |
12 | 98a06700 |
13 | 57380733 |
14 | 34496880 |
15 | 20965060 |
hex | 14cb6470 |
348873840 has 120 divisors (see below), whose sum is σ = 1339030368. Its totient is φ = 79741440.
The previous prime is 348873787. The next prime is 348873871. The reversal of 348873840 is 48378843.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29571 + ... + 39650.
Almost surely, 2348873840 is an apocalyptic number.
348873840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
348873840 is an abundant number, since it is smaller than the sum of its proper divisors (990156528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
348873840 is a wasteful number, since it uses less digits than its factorization.
348873840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69247 (or 69238 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 45.
The square root of 348873840 is about 18678.1647920774. The cubic root of 348873840 is about 703.9732148039.
The spelling of 348873840 in words is "three hundred forty-eight million, eight hundred seventy-three thousand, eight hundred forty".
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