Base | Representation |
---|---|
bin | 1011101100000… |
… | …0010000101011 |
3 | 10102020120112110 |
4 | 2323000100223 |
5 | 100022200440 |
6 | 4510413403 |
7 | 1133452161 |
oct | 273002053 |
9 | 112216473 |
10 | 49021995 |
11 | 25742a50 |
12 | 14501263 |
13 | a2051c9 |
14 | 6721231 |
15 | 4485080 |
hex | 2ec042b |
49021995 has 48 divisors (see below), whose sum is σ = 90415872. Its totient is φ = 22489920.
The previous prime is 49021991. The next prime is 49022009. The reversal of 49021995 is 59912094.
It is not a de Polignac number, because 49021995 - 22 = 49021991 is a prime.
It is a super-3 number, since 3×490219953 (a number of 24 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (49021991) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59154 + ... + 59976.
It is an arithmetic number, because the mean of its divisors is an integer number (1883664).
Almost surely, 249021995 is an apocalyptic number.
49021995 is a deficient number, since it is larger than the sum of its proper divisors (41393877).
49021995 is a wasteful number, since it uses less digits than its factorization.
49021995 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 880 (or 861 counting only the distinct ones).
The product of its (nonzero) digits is 29160, while the sum is 39.
The square root of 49021995 is about 7001.5708951635. The cubic root of 49021995 is about 365.9853154848.
The spelling of 49021995 in words is "forty-nine million, twenty-one thousand, nine hundred ninety-five".
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