Base | Representation |
---|---|
bin | 110111100100… |
… | …0000011001011 |
3 | 2000211000011021 |
4 | 1233020003023 |
5 | 24424142310 |
6 | 2520213311 |
7 | 502415620 |
oct | 157100313 |
9 | 60730137 |
10 | 29130955 |
11 | 15497577 |
12 | 990a237 |
13 | 605c569 |
14 | 3c24347 |
15 | 28565da |
hex | 1bc80cb |
29130955 has 16 divisors (see below), whose sum is σ = 40631040. Its totient is φ = 19635552.
The previous prime is 29130953. The next prime is 29130961. The reversal of 29130955 is 55903192.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 29130955 - 21 = 29130953 is a prime.
It is a super-2 number, since 2×291309552 = 1697225078424050, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 29130955.
It is not an unprimeable number, because it can be changed into a prime (29130953) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4989 + ... + 9118.
It is an arithmetic number, because the mean of its divisors is an integer number (2539440).
Almost surely, 229130955 is an apocalyptic number.
29130955 is a deficient number, since it is larger than the sum of its proper divisors (11500085).
29130955 is a wasteful number, since it uses less digits than its factorization.
29130955 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14178.
The product of its (nonzero) digits is 12150, while the sum is 34.
The square root of 29130955 is about 5397.3099781280. The cubic root of 29130955 is about 307.6934425199.
The spelling of 29130955 in words is "twenty-nine million, one hundred thirty thousand, nine hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •