Base | Representation |
---|---|
bin | 1011100110111010101111 |
3 | 12201121012101 |
4 | 23212322233 |
5 | 1234333431 |
6 | 145115531 |
7 | 34602460 |
oct | 13467257 |
9 | 5647171 |
10 | 3042991 |
11 | 1799276 |
12 | 1028ba7 |
13 | 8270b3 |
14 | 592d67 |
15 | 401961 |
hex | 2e6eaf |
3042991 has 16 divisors (see below), whose sum is σ = 3696640. Its totient is φ = 2449440.
The previous prime is 3042971. The next prime is 3042997. The reversal of 3042991 is 1992403.
It is a happy number.
It is not a de Polignac number, because 3042991 - 25 = 3042959 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3042997) 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, 7840 + ... + 8218.
It is an arithmetic number, because the mean of its divisors is an integer number (231040).
Almost surely, 23042991 is an apocalyptic number.
3042991 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
3042991 is a deficient number, since it is larger than the sum of its proper divisors (653649).
3042991 is a wasteful number, since it uses less digits than its factorization.
3042991 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 454.
The product of its (nonzero) digits is 1944, while the sum is 28.
The square root of 3042991 is about 1744.4170946193. The cubic root of 3042991 is about 144.9106226841.
The spelling of 3042991 in words is "three million, forty-two thousand, nine hundred ninety-one".
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