Base | Representation |
---|---|
bin | 110111100011… |
… | …0100110001000 |
3 | 2000210200222201 |
4 | 1233012212020 |
5 | 24424000000 |
6 | 2520125544 |
7 | 502362352 |
oct | 157064610 |
9 | 60720881 |
10 | 29125000 |
11 | 15493053 |
12 | 99068b4 |
13 | 6059938 |
14 | 3c220d2 |
15 | 285496a |
hex | 1bc6988 |
29125000 has 56 divisors (see below), whose sum is σ = 68553810. Its totient is φ = 11600000.
The previous prime is 29124947. The next prime is 29125049. The reversal of 29125000 is 52192.
It can be written as a sum of positive squares in 7 ways, for example, as 20016676 + 9108324 = 4474^2 + 3018^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 124884 + ... + 125116.
Almost surely, 229125000 is an apocalyptic number.
29125000 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 29125000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34276905).
29125000 is an abundant number, since it is smaller than the sum of its proper divisors (39428810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29125000 is an frugal number, since it uses more digits than its factorization.
29125000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 269 (or 240 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 19.
The square root of 29125000 is about 5396.7582862307. The cubic root of 29125000 is about 307.6724746832.
Adding to 29125000 its reverse (52192), we get a palindrome (29177192).
The spelling of 29125000 in words is "twenty-nine million, one hundred twenty-five thousand".
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