Base | Representation |
---|---|
bin | 1011110110010… |
… | …1100101000101 |
3 | 10110111222101221 |
4 | 2331211211011 |
5 | 100210333031 |
6 | 4533120341 |
7 | 1142302312 |
oct | 275454505 |
9 | 113458357 |
10 | 49699141 |
11 | 26065778 |
12 | 147890b1 |
13 | a3b149b |
14 | 6859d09 |
15 | 456aa11 |
hex | 2f65945 |
49699141 has 2 divisors, whose sum is σ = 49699142. Its totient is φ = 49699140.
The previous prime is 49699129. The next prime is 49699147. The reversal of 49699141 is 14199694.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 36954241 + 12744900 = 6079^2 + 3570^2 .
It is a cyclic number.
It is not a de Polignac number, because 49699141 - 215 = 49666373 is a prime.
It is a super-2 number, since 2×496991412 = 4940009232275762, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (49699147) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24849570 + 24849571.
It is an arithmetic number, because the mean of its divisors is an integer number (24849571).
Almost surely, 249699141 is an apocalyptic number.
It is an amenable number.
49699141 is a deficient number, since it is larger than the sum of its proper divisors (1).
49699141 is an equidigital number, since it uses as much as digits as its factorization.
49699141 is an evil number, because the sum of its binary digits is even.
The product of its digits is 69984, while the sum is 43.
The square root of 49699141 is about 7049.7617690245. The cubic root of 49699141 is about 367.6627468044.
The spelling of 49699141 in words is "forty-nine million, six hundred ninety-nine thousand, one hundred forty-one".
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