Base | Representation |
---|---|
bin | 1000101010000… |
… | …10000000101111 |
3 | 12001122120211102 |
4 | 10111002000233 |
5 | 122042402002 |
6 | 11112313315 |
7 | 1541164214 |
oct | 425020057 |
9 | 161576742 |
10 | 72622127 |
11 | 37aa2096 |
12 | 203a283b |
13 | 12079196 |
14 | 9905b0b |
15 | 6597a02 |
hex | 454202f |
72622127 has 2 divisors, whose sum is σ = 72622128. Its totient is φ = 72622126.
The previous prime is 72622117. The next prime is 72622129. The reversal of 72622127 is 72122627.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 72622127 - 216 = 72556591 is a prime.
Together with 72622129, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 72622127.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (72622129) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36311063 + 36311064.
It is an arithmetic number, because the mean of its divisors is an integer number (36311064).
Almost surely, 272622127 is an apocalyptic number.
72622127 is a deficient number, since it is larger than the sum of its proper divisors (1).
72622127 is an equidigital number, since it uses as much as digits as its factorization.
72622127 is an evil number, because the sum of its binary digits is even.
The product of its digits is 4704, while the sum is 29.
The square root of 72622127 is about 8521.8617097439. The cubic root of 72622127 is about 417.2115487556.
Subtracting from 72622127 its reverse (72122627), we obtain a triangular number (499500 = T999).
The spelling of 72622127 in words is "seventy-two million, six hundred twenty-two thousand, one hundred twenty-seven".
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