Base | Representation |
---|---|
bin | 1011110100011… |
… | …0100011111011 |
3 | 10110021112010101 |
4 | 2331012203323 |
5 | 100142301331 |
6 | 4530300231 |
7 | 1141233022 |
oct | 275064373 |
9 | 113245111 |
10 | 49572091 |
11 | 25a89278 |
12 | 14727677 |
13 | a3686ca |
14 | 68258b9 |
15 | 4543061 |
hex | 2f468fb |
49572091 has 2 divisors, whose sum is σ = 49572092. Its totient is φ = 49572090.
The previous prime is 49572071. The next prime is 49572097. The reversal of 49572091 is 19027594.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 49572091 - 25 = 49572059 is a prime.
It is a super-2 number, since 2×495720912 = 4914784412224562, which contains 22 as substring.
It is a Chen prime.
It is equal to p2976940 and since 49572091 and 2976940 have the same sum of digits, it is a Honaker prime.
It is a self number, because there is not a number n which added to its sum of digits gives 49572091.
It is not a weakly prime, because it can be changed into another prime (49572097) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24786045 + 24786046.
It is an arithmetic number, because the mean of its divisors is an integer number (24786046).
Almost surely, 249572091 is an apocalyptic number.
49572091 is a deficient number, since it is larger than the sum of its proper divisors (1).
49572091 is an equidigital number, since it uses as much as digits as its factorization.
49572091 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 22680, while the sum is 37.
The square root of 49572091 is about 7040.7450600061. The cubic root of 49572091 is about 367.3491839549.
The spelling of 49572091 in words is "forty-nine million, five hundred seventy-two thousand, ninety-one".
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