Base | Representation |
---|---|
bin | 11101001011101011010001 |
3 | 112101122211101 |
4 | 131023223101 |
5 | 3424300001 |
6 | 431544401 |
7 | 122011132 |
oct | 35135321 |
9 | 15348741 |
10 | 7650001 |
11 | 4355617 |
12 | 268b101 |
13 | 177b038 |
14 | 1031c89 |
15 | a11a01 |
hex | 74bad1 |
7650001 has 4 divisors (see below), whose sum is σ = 7827952. Its totient is φ = 7472052.
The previous prime is 7649977. The next prime is 7650011. The reversal of 7650001 is 1000567.
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, and also an emirpimes, since its reverse is a distinct semiprime: 1000567 = 43 ⋅23269.
It is a cyclic number.
It is not a de Polignac number, because 7650001 - 25 = 7649969 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7650011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88911 + ... + 88996.
It is an arithmetic number, because the mean of its divisors is an integer number (1956988).
Almost surely, 27650001 is an apocalyptic number.
It is an amenable number.
7650001 is a deficient number, since it is larger than the sum of its proper divisors (177951).
7650001 is a wasteful number, since it uses less digits than its factorization.
7650001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 177950.
The product of its (nonzero) digits is 210, while the sum is 19.
The square root of 7650001 is about 2765.8635179632. The cubic root of 7650001 is about 197.0397422117.
Adding to 7650001 its reverse (1000567), we get a palindrome (8650568).
The spelling of 7650001 in words is "seven million, six hundred fifty thousand, one".
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