Base | Representation |
---|---|
bin | 111011000001… |
… | …0011010110101 |
3 | 2011020001200101 |
4 | 1312002122311 |
5 | 30410133101 |
6 | 3023114101 |
7 | 524003353 |
oct | 166023265 |
9 | 64201611 |
10 | 30942901 |
11 | 16514950 |
12 | a442931 |
13 | 6545212 |
14 | 41767d3 |
15 | 2ab3401 |
hex | 1d826b5 |
30942901 has 8 divisors (see below), whose sum is σ = 33796224. Its totient is φ = 28096320.
The previous prime is 30942893. The next prime is 30942911. The reversal of 30942901 is 10924903.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30942901 - 23 = 30942893 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30942901.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30942911) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16525 + ... + 18301.
It is an arithmetic number, because the mean of its divisors is an integer number (4224528).
Almost surely, 230942901 is an apocalyptic number.
It is an amenable number.
30942901 is a deficient number, since it is larger than the sum of its proper divisors (2853323).
30942901 is a wasteful number, since it uses less digits than its factorization.
30942901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3371.
The product of its (nonzero) digits is 1944, while the sum is 28.
The square root of 30942901 is about 5562.6343579279. The cubic root of 30942901 is about 313.9450760629.
It can be divided in two parts, 3094 and 2901, that added together give a palindrome (5995).
The spelling of 30942901 in words is "thirty million, nine hundred forty-two thousand, nine hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.212 sec. • engine limits •