Base | Representation |
---|---|
bin | 111001001010… |
… | …1001011110110 |
3 | 2002101200202002 |
4 | 1302111023312 |
5 | 30133034230 |
6 | 2550215302 |
7 | 512515364 |
oct | 162251366 |
9 | 62350662 |
10 | 29971190 |
11 | 15a10887 |
12 | a054532 |
13 | 6294b42 |
14 | 3da2634 |
15 | 2970545 |
hex | 1c952f6 |
29971190 has 16 divisors (see below), whose sum is σ = 54013392. Its totient is φ = 11973984.
The previous prime is 29971171. The next prime is 29971211. The reversal of 29971190 is 9117992.
It is a super-2 number, since 2×299711902 = 1796544460032200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11597 + ... + 13943.
It is an arithmetic number, because the mean of its divisors is an integer number (3375837).
Almost surely, 229971190 is an apocalyptic number.
29971190 is a deficient number, since it is larger than the sum of its proper divisors (24042202).
29971190 is a wasteful number, since it uses less digits than its factorization.
29971190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3631.
The product of its (nonzero) digits is 10206, while the sum is 38.
The square root of 29971190 is about 5474.5949621867. The cubic root of 29971190 is about 310.6237527732.
The spelling of 29971190 in words is "twenty-nine million, nine hundred seventy-one thousand, one hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.029 sec. • engine limits •