Base | Representation |
---|---|
bin | 1100011011010… |
… | …0110111011001 |
3 | 10122002000122020 |
4 | 3012310313121 |
5 | 101320333144 |
6 | 5101045053 |
7 | 1202010261 |
oct | 306646731 |
9 | 118060566 |
10 | 52121049 |
11 | 2746a352 |
12 | 15556789 |
13 | aa4b976 |
14 | 6cca7a1 |
15 | 4898419 |
hex | 31b4dd9 |
52121049 has 16 divisors (see below), whose sum is σ = 71592000. Its totient is φ = 33704640.
The previous prime is 52121021. The next prime is 52121053. The reversal of 52121049 is 94012125.
It is not a de Polignac number, because 52121049 - 213 = 52112857 is a prime.
It is a plaindrome in base 12.
It is not an unprimeable number, because it can be changed into a prime (52121549) 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, 54919 + ... + 55859.
It is an arithmetic number, because the mean of its divisors is an integer number (4474500).
Almost surely, 252121049 is an apocalyptic number.
It is an amenable number.
52121049 is a deficient number, since it is larger than the sum of its proper divisors (19470951).
52121049 is a wasteful number, since it uses less digits than its factorization.
52121049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1480.
The product of its (nonzero) digits is 720, while the sum is 24.
The square root of 52121049 is about 7219.4909100296. The cubic root of 52121049 is about 373.5405173524.
The spelling of 52121049 in words is "fifty-two million, one hundred twenty-one thousand, forty-nine".
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