Base | Representation |
---|---|
bin | 1000001111001000110101 |
3 | 11001200210210 |
4 | 20033020311 |
5 | 1023043112 |
6 | 114140033 |
7 | 24231630 |
oct | 10171065 |
9 | 4050723 |
10 | 2159157 |
11 | 1245230 |
12 | 881619 |
13 | 5a7a10 |
14 | 402c17 |
15 | 2c9b3c |
hex | 20f235 |
2159157 has 32 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 1033920.
The previous prime is 2159147. The next prime is 2159177. The reversal of 2159157 is 7519512.
It is not a de Polignac number, because 2159157 - 26 = 2159093 is a prime.
2159157 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2159147) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2644 + ... + 3362.
It is an arithmetic number, because the mean of its divisors is an integer number (120960).
22159157 is an apocalyptic number.
It is an amenable number.
2159157 is a deficient number, since it is larger than the sum of its proper divisors (1711563).
2159157 is a wasteful number, since it uses less digits than its factorization.
2159157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 753.
The product of its digits is 3150, while the sum is 30.
The square root of 2159157 is about 1469.4070232580. The cubic root of 2159157 is about 129.2492626541.
The spelling of 2159157 in words is "two million, one hundred fifty-nine thousand, one hundred fifty-seven".
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