Base | Representation |
---|---|
bin | 1011000100000001001111 |
3 | 12110100010011 |
4 | 23010001033 |
5 | 1220300142 |
6 | 142054051 |
7 | 33435643 |
oct | 13040117 |
9 | 5410104 |
10 | 2900047 |
11 | 1700937 |
12 | b7a327 |
13 | 7a7007 |
14 | 556c23 |
15 | 3c4417 |
hex | 2c404f |
2900047 has 8 divisors (see below), whose sum is σ = 3204576. Its totient is φ = 2610432.
The previous prime is 2900039. The next prime is 2900057. The reversal of 2900047 is 7400092.
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 2900047 - 23 = 2900039 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 (2900017) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3318 + ... + 4099.
It is an arithmetic number, because the mean of its divisors is an integer number (400572).
22900047 is an apocalyptic number.
2900047 is a deficient number, since it is larger than the sum of its proper divisors (304529).
2900047 is a wasteful number, since it uses less digits than its factorization.
2900047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7457.
The product of its (nonzero) digits is 504, while the sum is 22.
The square root of 2900047 is about 1702.9524362119. The cubic root of 2900047 is about 142.6050851012.
The spelling of 2900047 in words is "two million, nine hundred thousand, forty-seven".
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