Base | Representation |
---|---|
bin | 1110010110110… |
… | …0011011111101 |
3 | 11012022010200201 |
4 | 3211230123331 |
5 | 110403303424 |
6 | 5550323501 |
7 | 1330542034 |
oct | 345543375 |
9 | 135263621 |
10 | 60212989 |
11 | 30a96a01 |
12 | 181b9591 |
13 | c622bb5 |
14 | 7dd571b |
15 | 5445d44 |
hex | 396c6fd |
60212989 has 2 divisors, whose sum is σ = 60212990. Its totient is φ = 60212988.
The previous prime is 60212987. The next prime is 60213001. The reversal of 60212989 is 98921206.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 48413764 + 11799225 = 6958^2 + 3435^2 .
It is a cyclic number.
It is not a de Polignac number, because 60212989 - 21 = 60212987 is a prime.
Together with 60212987, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (60212987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30106494 + 30106495.
It is an arithmetic number, because the mean of its divisors is an integer number (30106495).
Almost surely, 260212989 is an apocalyptic number.
It is an amenable number.
60212989 is a deficient number, since it is larger than the sum of its proper divisors (1).
60212989 is an equidigital number, since it uses as much as digits as its factorization.
60212989 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 15552, while the sum is 37.
The square root of 60212989 is about 7759.7028937969. The cubic root of 60212989 is about 391.9494524751.
The spelling of 60212989 in words is "sixty million, two hundred twelve thousand, nine hundred eighty-nine".
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