Base | Representation |
---|---|
bin | 111001000011… |
… | …0010111010000 |
3 | 2002021121110120 |
4 | 1302012113100 |
5 | 30124113410 |
6 | 2545030240 |
7 | 512143365 |
oct | 162062720 |
9 | 62247416 |
10 | 29910480 |
11 | 1597a206 |
12 | a025380 |
13 | 6273312 |
14 | 3d8846c |
15 | 295c570 |
hex | 1c865d0 |
29910480 has 80 divisors (see below), whose sum is σ = 98190144. Its totient is φ = 7505920.
The previous prime is 29910473. The next prime is 29910481. The reversal of 29910480 is 8401992.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29910481) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 415 + ... + 7745.
Almost surely, 229910480 is an apocalyptic number.
29910480 is a gapful number since it is divisible by the number (20) 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 29910480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49095072).
29910480 is an abundant number, since it is smaller than the sum of its proper divisors (68279664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29910480 is a wasteful number, since it uses less digits than its factorization.
29910480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7364 (or 7358 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 33.
The square root of 29910480 is about 5469.0474490536. The cubic root of 29910480 is about 310.4138766071.
The spelling of 29910480 in words is "twenty-nine million, nine hundred ten thousand, four hundred eighty".
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