Base | Representation |
---|---|
bin | 110011111111001… |
… | …001100000000001 |
3 | 2020210011221111110 |
4 | 303333021200001 |
5 | 3241240121001 |
6 | 222314033533 |
7 | 30420336552 |
oct | 6377114001 |
9 | 2223157443 |
10 | 872192001 |
11 | 40836983a |
12 | 2041188a9 |
13 | 10b90b355 |
14 | 83b9c329 |
15 | 518873d6 |
hex | 33fc9801 |
872192001 has 8 divisors (see below), whose sum is σ = 1163713824. Its totient is φ = 581065760.
The previous prime is 872191981. The next prime is 872192053. The reversal of 872192001 is 100291278.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 872192001 - 226 = 805083137 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 872192001.
It is not an unprimeable number, because it can be changed into a prime (872192201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93711 + ... + 102596.
It is an arithmetic number, because the mean of its divisors is an integer number (145464228).
Almost surely, 2872192001 is an apocalyptic number.
It is an amenable number.
872192001 is a deficient number, since it is larger than the sum of its proper divisors (291521823).
872192001 is a wasteful number, since it uses less digits than its factorization.
872192001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197791.
The product of its (nonzero) digits is 2016, while the sum is 30.
The square root of 872192001 is about 29532.8969286794. The cubic root of 872192001 is about 955.4413504162.
The spelling of 872192001 in words is "eight hundred seventy-two million, one hundred ninety-two thousand, one".
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