Base | Representation |
---|---|
bin | 1011101101100… |
… | …1100001110001 |
3 | 10102102211111120 |
4 | 2323121201301 |
5 | 100034003424 |
6 | 4512532453 |
7 | 1134363000 |
oct | 273314161 |
9 | 112384446 |
10 | 49125489 |
11 | 25803786 |
12 | 14551129 |
13 | a24034a |
14 | 674ac37 |
15 | 44a5a79 |
hex | 2ed9871 |
49125489 has 16 divisors (see below), whose sum is σ = 76387200. Its totient is φ = 28071120.
The previous prime is 49125473. The next prime is 49125497. The reversal of 49125489 is 98452194.
It is not a de Polignac number, because 49125489 - 24 = 49125473 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 49125489.
It is not an unprimeable number, because it can be changed into a prime (49125499) 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, 22842 + ... + 24899.
It is an arithmetic number, because the mean of its divisors is an integer number (4774200).
Almost surely, 249125489 is an apocalyptic number.
49125489 is a gapful number since it is divisible by the number (49) formed by its first and last digit.
It is an amenable number.
49125489 is a deficient number, since it is larger than the sum of its proper divisors (27261711).
49125489 is an equidigital number, since it uses as much as digits as its factorization.
49125489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47765 (or 47751 counting only the distinct ones).
The product of its digits is 103680, while the sum is 42.
The square root of 49125489 is about 7008.9577684560. The cubic root of 49125489 is about 366.2426874411.
It can be divided in two parts, 4912 and 5489, that added together give a palindrome (10401).
The spelling of 49125489 in words is "forty-nine million, one hundred twenty-five thousand, four hundred eighty-nine".
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