Base | Representation |
---|---|
bin | 1000010010101… |
… | …1001110110000 |
3 | 2102110000022010 |
4 | 2010223032300 |
5 | 32400430310 |
6 | 3241242520 |
7 | 601424436 |
oct | 204531660 |
9 | 72400263 |
10 | 34780080 |
11 | 186a5875 |
12 | b793440 |
13 | 728993a |
14 | 4894d56 |
15 | 30c0320 |
hex | 212b3b0 |
34780080 has 40 divisors (see below), whose sum is σ = 107818992. Its totient is φ = 9274624.
The previous prime is 34780069. The next prime is 34780099. The reversal of 34780080 is 8008743.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72219 + ... + 72698.
Almost surely, 234780080 is an apocalyptic number.
34780080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
34780080 is an abundant number, since it is smaller than the sum of its proper divisors (73038912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
34780080 is a wasteful number, since it uses less digits than its factorization.
34780080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144933 (or 144927 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 34780080 is about 5897.4638616951. The cubic root of 34780080 is about 326.4200739769.
The spelling of 34780080 in words is "thirty-four million, seven hundred eighty thousand, eighty".
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