Base | Representation |
---|---|
bin | 1011110011101… |
… | …0010011001011 |
3 | 10110011222020020 |
4 | 2330322103023 |
5 | 100134144432 |
6 | 4525231523 |
7 | 1140633423 |
oct | 274722313 |
9 | 113158206 |
10 | 49521867 |
11 | 25a5456a |
12 | 147025a3 |
13 | a34b8a5 |
14 | 6811483 |
15 | 453322c |
hex | 2f3a4cb |
49521867 has 16 divisors (see below), whose sum is σ = 70761600. Its totient is φ = 30695552.
The previous prime is 49521841. The next prime is 49521869. The reversal of 49521867 is 76812594.
It is a cyclic number.
It is not a de Polignac number, because 49521867 - 27 = 49521739 is a prime.
It is a super-2 number, since 2×495218672 = 4904830622331378, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (49521869) 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, 1617 + ... + 10082.
It is an arithmetic number, because the mean of its divisors is an integer number (4422600).
Almost surely, 249521867 is an apocalyptic number.
49521867 is a deficient number, since it is larger than the sum of its proper divisors (21239733).
49521867 is a wasteful number, since it uses less digits than its factorization.
49521867 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11802.
The product of its digits is 120960, while the sum is 42.
The square root of 49521867 is about 7037.1774881695. The cubic root of 49521867 is about 367.2250820033.
The spelling of 49521867 in words is "forty-nine million, five hundred twenty-one thousand, eight hundred sixty-seven".
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