Base | Representation |
---|---|
bin | 1011111010100… |
… | …1000100010001 |
3 | 10111001000121000 |
4 | 2332221010101 |
5 | 100243204234 |
6 | 4543052213 |
7 | 1144533240 |
oct | 276510421 |
9 | 114030530 |
10 | 49975569 |
11 | 26234426 |
12 | 148a1069 |
13 | a47a257 |
14 | 68cc957 |
15 | 45c2899 |
hex | 2fa9111 |
49975569 has 32 divisors (see below), whose sum is σ = 85006080. Its totient is φ = 28425600.
The previous prime is 49975553. The next prime is 49975571. The reversal of 49975569 is 96557994.
49975569 is a `hidden beast` number, since 4 + 9 + 9 + 75 + 569 = 666.
It is not a de Polignac number, because 49975569 - 24 = 49975553 is a prime.
It is a super-2 number, since 2×499755692 = 4995114993747522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (49975469) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52639 + ... + 53579.
It is an arithmetic number, because the mean of its divisors is an integer number (2656440).
Almost surely, 249975569 is an apocalyptic number.
It is an amenable number.
49975569 is a deficient number, since it is larger than the sum of its proper divisors (35030511).
49975569 is a wasteful number, since it uses less digits than its factorization.
49975569 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1238 (or 1232 counting only the distinct ones).
The product of its digits is 3061800, while the sum is 54.
The square root of 49975569 is about 7069.3400682100. The cubic root of 49975569 is about 368.3431370395.
The spelling of 49975569 in words is "forty-nine million, nine hundred seventy-five thousand, five hundred sixty-nine".
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