Base | Representation |
---|---|
bin | 111011001100… |
… | …1101100100001 |
3 | 2011101220110111 |
4 | 1312121230201 |
5 | 30421210431 |
6 | 3025131321 |
7 | 524551333 |
oct | 166315441 |
9 | 64356414 |
10 | 31038241 |
11 | 1657a543 |
12 | a489b41 |
13 | 6579730 |
14 | 419d453 |
15 | 2ad17b1 |
hex | 1d99b21 |
31038241 has 8 divisors (see below), whose sum is σ = 33485760. Its totient is φ = 28599312.
The previous prime is 31038233. The next prime is 31038251. The reversal of 31038241 is 14283013.
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 31038241 - 23 = 31038233 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31038211) 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, 6756 + ... + 10378.
It is an arithmetic number, because the mean of its divisors is an integer number (4185720).
Almost surely, 231038241 is an apocalyptic number.
It is an amenable number.
31038241 is a deficient number, since it is larger than the sum of its proper divisors (2447519).
31038241 is a wasteful number, since it uses less digits than its factorization.
31038241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4295.
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 31038241 is about 5571.1974475870. The cubic root of 31038241 is about 314.2671837067.
The spelling of 31038241 in words is "thirty-one million, thirty-eight thousand, two hundred forty-one".
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