Base | Representation |
---|---|
bin | 1000001101101001101111 |
3 | 11001101110101 |
4 | 20031221233 |
5 | 1022344241 |
6 | 114051531 |
7 | 24205114 |
oct | 10155157 |
9 | 4041411 |
10 | 2153071 |
11 | 12406a8 |
12 | 879ba7 |
13 | 5a500b |
14 | 40090b |
15 | 2c7e31 |
hex | 20da6f |
2153071 has 2 divisors, whose sum is σ = 2153072. Its totient is φ = 2153070.
The previous prime is 2153069. The next prime is 2153083. The reversal of 2153071 is 1703512.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2153071 - 21 = 2153069 is a prime.
Together with 2153069, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2153051) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076535 + 1076536.
It is an arithmetic number, because the mean of its divisors is an integer number (1076536).
22153071 is an apocalyptic number.
2153071 is a deficient number, since it is larger than the sum of its proper divisors (1).
2153071 is an equidigital number, since it uses as much as digits as its factorization.
2153071 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 210, while the sum is 19.
The square root of 2153071 is about 1467.3346584880. The cubic root of 2153071 is about 129.1277103934.
Adding to 2153071 its reverse (1703512), we get a palindrome (3856583).
The spelling of 2153071 in words is "two million, one hundred fifty-three thousand, seventy-one".
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