Base | Representation |
---|---|
bin | 1011110110110… |
… | …0101000000001 |
3 | 10110120102222211 |
4 | 2331230220001 |
5 | 100212244001 |
6 | 4533502121 |
7 | 1142452411 |
oct | 275545001 |
9 | 113512884 |
10 | 49728001 |
11 | 26085424 |
12 | 147a1941 |
13 | a3c166b |
14 | 6866641 |
15 | 4574351 |
hex | 2f6ca01 |
49728001 has 4 divisors (see below), whose sum is σ = 51890112. Its totient is φ = 47565892.
The previous prime is 49727983. The next prime is 49728053. The reversal of 49728001 is 10082794.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 49728001 - 25 = 49727969 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49728071) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081021 + ... + 1081066.
It is an arithmetic number, because the mean of its divisors is an integer number (12972528).
Almost surely, 249728001 is an apocalyptic number.
It is an amenable number.
49728001 is a deficient number, since it is larger than the sum of its proper divisors (2162111).
49728001 is a wasteful number, since it uses less digits than its factorization.
49728001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2162110.
The product of its (nonzero) digits is 4032, while the sum is 31.
The square root of 49728001 is about 7051.8083496363. The cubic root of 49728001 is about 367.7338995678.
The spelling of 49728001 in words is "forty-nine million, seven hundred twenty-eight thousand, one".
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