Base | Representation |
---|---|
bin | 1011110000010… |
… | …1111101011001 |
3 | 10102210002011000 |
4 | 2330011331121 |
5 | 100110314411 |
6 | 4520455213 |
7 | 1136051406 |
oct | 274057531 |
9 | 112702130 |
10 | 49307481 |
11 | 25918493 |
12 | 1461a509 |
13 | a2a5132 |
14 | 67972ad |
15 | 44de956 |
hex | 2f05f59 |
49307481 has 16 divisors (see below), whose sum is σ = 73278400. Its totient is φ = 32768064.
The previous prime is 49307471. The next prime is 49307507. The reversal of 49307481 is 18470394.
It is a happy number.
It is not a de Polignac number, because 49307481 - 26 = 49307417 is a prime.
It is a super-2 number, since 2×493074812 = 4862455365130722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49307411) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6390 + ... + 11808.
It is an arithmetic number, because the mean of its divisors is an integer number (4579900).
Almost surely, 249307481 is an apocalyptic number.
It is an amenable number.
49307481 is a deficient number, since it is larger than the sum of its proper divisors (23970919).
49307481 is a wasteful number, since it uses less digits than its factorization.
49307481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5765 (or 5759 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 49307481 is about 7021.9285812375. The cubic root of 49307481 is about 366.6943952400.
The spelling of 49307481 in words is "forty-nine million, three hundred seven thousand, four hundred eighty-one".
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