Base | Representation |
---|---|
bin | 111000101111… |
… | …1001101001010 |
3 | 2001222110110012 |
4 | 1301133031022 |
5 | 30104000330 |
6 | 2541351522 |
7 | 510604646 |
oct | 161371512 |
9 | 61873405 |
10 | 29750090 |
11 | 1587a757 |
12 | 9b685a2 |
13 | 6218306 |
14 | 3d45c26 |
15 | 2929c95 |
hex | 1c5f34a |
29750090 has 8 divisors (see below), whose sum is σ = 53550180. Its totient is φ = 11900032.
The previous prime is 29750089. The next prime is 29750093. The reversal of 29750090 is 9005792.
It can be written as a sum of positive squares in 2 ways, for example, as 26863489 + 2886601 = 5183^2 + 1699^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (29750093) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1487495 + ... + 1487514.
Almost surely, 229750090 is an apocalyptic number.
29750090 is a deficient number, since it is larger than the sum of its proper divisors (23800090).
29750090 is a wasteful number, since it uses less digits than its factorization.
29750090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2975016.
The product of its (nonzero) digits is 5670, while the sum is 32.
The square root of 29750090 is about 5454.3643075981. The cubic root of 29750090 is about 309.8580341983.
The spelling of 29750090 in words is "twenty-nine million, seven hundred fifty thousand, ninety".
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