Base | Representation |
---|---|
bin | 1001010001000000011101 |
3 | 11120101220101 |
4 | 21101000131 |
5 | 1110211312 |
6 | 124021101 |
7 | 26434336 |
oct | 11210035 |
9 | 4511811 |
10 | 2428957 |
11 | 1409a03 |
12 | 991791 |
13 | 67076b |
14 | 47328d |
15 | 32ea57 |
hex | 25101d |
2428957 has 4 divisors (see below), whose sum is σ = 2439360. Its totient is φ = 2418556.
The previous prime is 2428931. The next prime is 2428991. The reversal of 2428957 is 7598242.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7598242 = 2 ⋅3799121.
It is a cyclic number.
It is not a de Polignac number, because 2428957 - 215 = 2396189 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 (2428997) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4843 + ... + 5320.
It is an arithmetic number, because the mean of its divisors is an integer number (609840).
22428957 is an apocalyptic number.
It is an amenable number.
2428957 is a deficient number, since it is larger than the sum of its proper divisors (10403).
2428957 is a wasteful number, since it uses less digits than its factorization.
2428957 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10402.
The product of its digits is 40320, while the sum is 37.
The square root of 2428957 is about 1558.5111485004. The cubic root of 2428957 is about 134.4229046434.
The spelling of 2428957 in words is "two million, four hundred twenty-eight thousand, nine hundred fifty-seven".
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