Base | Representation |
---|---|
bin | 111000111110… |
… | …1101100111000 |
3 | 2002012210210111 |
4 | 1301331230320 |
5 | 30122000000 |
6 | 2544154104 |
7 | 511635061 |
oct | 161755470 |
9 | 62183714 |
10 | 29875000 |
11 | 15955591 |
12 | a008934 |
13 | 626011c |
14 | 3d79568 |
15 | 2951cba |
hex | 1c7db38 |
29875000 has 56 divisors (see below), whose sum is σ = 70311600. Its totient is φ = 11900000.
The previous prime is 29874997. The next prime is 29875003. The reversal of 29875000 is 57892.
It is an interprime number because it is at equal distance from previous prime (29874997) and next prime (29875003).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29875003) by changing a digit.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 124881 + ... + 125119.
Almost surely, 229875000 is an apocalyptic number.
29875000 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 29875000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35155800).
29875000 is an abundant number, since it is smaller than the sum of its proper divisors (40436600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29875000 is an frugal number, since it uses more digits than its factorization.
29875000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 275 (or 246 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 31.
The square root of 29875000 is about 5465.8027772689. The cubic root of 29875000 is about 310.2910897448.
The spelling of 29875000 in words is "twenty-nine million, eight hundred seventy-five thousand".
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