Base | Representation |
---|---|
bin | 111000001110… |
… | …1101000001000 |
3 | 2001110210222200 |
4 | 1300131220020 |
5 | 30021401410 |
6 | 2531520200 |
7 | 505405560 |
oct | 160355010 |
9 | 61423880 |
10 | 29481480 |
11 | 15706966 |
12 | 9a59060 |
13 | 6152c82 |
14 | 3cb5da0 |
15 | 28c53c0 |
hex | 1c1da08 |
29481480 has 96 divisors (see below), whose sum is σ = 109512000. Its totient is φ = 6738048.
The previous prime is 29481443. The next prime is 29481481. The reversal of 29481480 is 8418492.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (29481481) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3330 + ... + 8369.
It is an arithmetic number, because the mean of its divisors is an integer number (1140750).
Almost surely, 229481480 is an apocalyptic number.
29481480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
29481480 is an abundant number, since it is smaller than the sum of its proper divisors (80030520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29481480 is a wasteful number, since it uses less digits than its factorization.
29481480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11723 (or 11716 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The square root of 29481480 is about 5429.6850737405. The cubic root of 29481480 is about 308.9226563579.
The spelling of 29481480 in words is "twenty-nine million, four hundred eighty-one thousand, four hundred eighty".
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