Base | Representation |
---|---|
bin | 110111010100… |
… | …1111000010101 |
3 | 2000120201122110 |
4 | 1232221320111 |
5 | 24411214011 |
6 | 2513421233 |
7 | 501362424 |
oct | 156517025 |
9 | 60521573 |
10 | 29007381 |
11 | 15412747 |
12 | 986a819 |
13 | 6018240 |
14 | 3bd12bb |
15 | 282eba6 |
hex | 1ba9e15 |
29007381 has 8 divisors (see below), whose sum is σ = 41651680. Its totient is φ = 17850672.
The previous prime is 29007367. The next prime is 29007383. The reversal of 29007381 is 18370092.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 29007381 - 210 = 29006357 is a prime.
It is a super-2 number, since 2×290073812 = 1682856304958322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29007383) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371851 + ... + 371928.
It is an arithmetic number, because the mean of its divisors is an integer number (5206460).
Almost surely, 229007381 is an apocalyptic number.
It is an amenable number.
29007381 is a deficient number, since it is larger than the sum of its proper divisors (12644299).
29007381 is a wasteful number, since it uses less digits than its factorization.
29007381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 743795.
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 29007381 is about 5385.8500721799. The cubic root of 29007381 is about 307.2577456110.
The spelling of 29007381 in words is "twenty-nine million, seven thousand, three hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •