Base | Representation |
---|---|
bin | 111000010001… |
… | …1100011010000 |
3 | 2001112001021100 |
4 | 1300203203100 |
5 | 30023140434 |
6 | 2532224400 |
7 | 505536402 |
oct | 160434320 |
9 | 61461240 |
10 | 29505744 |
11 | 15723114 |
12 | 9a6b100 |
13 | 6161028 |
14 | 3cc0b72 |
15 | 28cc699 |
hex | 1c238d0 |
29505744 has 90 divisors (see below), whose sum is σ = 87841910. Its totient is φ = 9243648.
The previous prime is 29505743. The next prime is 29505767. The reversal of 29505744 is 44750592.
It can be written as a sum of positive squares in 3 ways, for example, as 6350400 + 23155344 = 2520^2 + 4812^2 .
It is a super-4 number, since 4×295057444 (a number of 31 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 29505699 and 29505708.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29505743) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 41262 + ... + 41970.
Almost surely, 229505744 is an apocalyptic number.
29505744 is a gapful number since it is divisible by the number (24) 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 29505744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43920955).
29505744 is an abundant number, since it is smaller than the sum of its proper divisors (58336166).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29505744 is a wasteful number, since it uses less digits than its factorization.
29505744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 757 (or 731 counting only the distinct ones).
The product of its (nonzero) digits is 50400, while the sum is 36.
The square root of 29505744 is about 5431.9189979233. The cubic root of 29505744 is about 309.0073834915.
The spelling of 29505744 in words is "twenty-nine million, five hundred five thousand, seven hundred forty-four".
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