Base | Representation |
---|---|
bin | 111011000010… |
… | …0000000100010 |
3 | 2011020101121110 |
4 | 1312010000202 |
5 | 30410340120 |
6 | 3023204150 |
7 | 524031342 |
oct | 166040042 |
9 | 64211543 |
10 | 30949410 |
11 | 16519828 |
12 | a446656 |
13 | 654817b |
14 | 4178d22 |
15 | 2ab52e0 |
hex | 1d84022 |
30949410 has 32 divisors (see below), whose sum is σ = 74763072. Its totient is φ = 8199360.
The previous prime is 30949363. The next prime is 30949417. The reversal of 30949410 is 1494903.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (30949417) 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, 1425 + ... + 7995.
It is an arithmetic number, because the mean of its divisors is an integer number (2336346).
Almost surely, 230949410 is an apocalyptic number.
30949410 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30949410 is an abundant number, since it is smaller than the sum of its proper divisors (43813662).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30949410 is a wasteful number, since it uses less digits than its factorization.
30949410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6738.
The product of its (nonzero) digits is 3888, while the sum is 30.
The square root of 30949410 is about 5563.2193916832. The cubic root of 30949410 is about 313.9670878455.
The spelling of 30949410 in words is "thirty million, nine hundred forty-nine thousand, four hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •