Base | Representation |
---|---|
bin | 111000100010… |
… | …0111011101000 |
3 | 2001202222211100 |
4 | 1301010323220 |
5 | 30042024342 |
6 | 2535201400 |
7 | 506646126 |
oct | 161047350 |
9 | 61688740 |
10 | 29642472 |
11 | 15806912 |
12 | 9b16260 |
13 | 61ab332 |
14 | 3d18916 |
15 | 2907e4c |
hex | 1c44ee8 |
29642472 has 48 divisors (see below), whose sum is σ = 80535780. Its totient is φ = 9849600.
The previous prime is 29642449. The next prime is 29642491. The reversal of 29642472 is 27424692.
29642472 is a `hidden beast` number, since 2 + 9 + 642 + 4 + 7 + 2 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 24740676 + 4901796 = 4974^2 + 2214^2 .
It is a super-2 number, since 2×296424722 = 1757352292541568, which contains 22 as substring.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38572 + ... + 39332.
Almost surely, 229642472 is an apocalyptic number.
It is an amenable number.
29642472 is an abundant number, since it is smaller than the sum of its proper divisors (50893308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29642472 is a wasteful number, since it uses less digits than its factorization.
29642472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1314 (or 1307 counting only the distinct ones).
The product of its digits is 48384, while the sum is 36.
The square root of 29642472 is about 5444.4900587658. The cubic root of 29642472 is about 309.4839558688.
The spelling of 29642472 in words is "twenty-nine million, six hundred forty-two thousand, four hundred seventy-two".
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