Base | Representation |
---|---|
bin | 1011110110001… |
… | …0111101010001 |
3 | 10110111102200011 |
4 | 2331202331101 |
5 | 100210012101 |
6 | 4532554521 |
7 | 1142226100 |
oct | 275427521 |
9 | 113442604 |
10 | 49688401 |
11 | 260586a4 |
12 | 14782a41 |
13 | a3a9629 |
14 | 6856037 |
15 | 4567751 |
hex | 2f62f51 |
49688401 has 27 divisors (see below), whose sum is σ = 62175771. Its totient is φ = 39587184.
The previous prime is 49688383. The next prime is 49688411. The reversal of 49688401 is 10488694.
The square root of 49688401 is 7049.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 35820225 + 13868176 = 5985^2 + 3724^2 .
It is not a de Polignac number, because 49688401 - 27 = 49688273 is a prime.
It is not an unprimeable number, because it can be changed into a prime (49688411) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 937491 + ... + 937543.
Almost surely, 249688401 is an apocalyptic number.
49688401 is the 7049-th square number.
49688401 is the 3525-th centered octagonal number.
It is an amenable number.
49688401 is a deficient number, since it is larger than the sum of its proper divisors (12487370).
49688401 is an equidigital number, since it uses as much as digits as its factorization.
49688401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 158 (or 79 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 40.
The cubic root of 49688401 is about 367.6362608847.
The spelling of 49688401 in words is "forty-nine million, six hundred eighty-eight thousand, four hundred one".
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