Base | Representation |
---|---|
bin | 1100000000000011100101 |
3 | 12220211102221 |
4 | 30000003211 |
5 | 1301132312 |
6 | 151232341 |
7 | 35511613 |
oct | 14000345 |
9 | 5824387 |
10 | 3145957 |
11 | 1859671 |
12 | 10786b1 |
13 | 861c19 |
14 | 5bc6b3 |
15 | 422207 |
hex | 3000e5 |
3145957 has 4 divisors (see below), whose sum is σ = 3159360. Its totient is φ = 3132556.
The previous prime is 3145943. The next prime is 3145981. The reversal of 3145957 is 7595413.
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.
It is a cyclic number.
It is not a de Polignac number, because 3145957 - 215 = 3113189 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 (3145927) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6343 + ... + 6820.
It is an arithmetic number, because the mean of its divisors is an integer number (789840).
Almost surely, 23145957 is an apocalyptic number.
It is an amenable number.
3145957 is a deficient number, since it is larger than the sum of its proper divisors (13403).
3145957 is a wasteful number, since it uses less digits than its factorization.
3145957 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13402.
The product of its digits is 18900, while the sum is 34.
The square root of 3145957 is about 1773.6845830079. The cubic root of 3145957 is about 146.5269784559.
The spelling of 3145957 in words is "three million, one hundred forty-five thousand, nine hundred fifty-seven".
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