Base | Representation |
---|---|
bin | 101111101111001… |
… | …001100010001100 |
3 | 2001211000101010112 |
4 | 233233021202030 |
5 | 3120011421342 |
6 | 211245455152 |
7 | 25563305162 |
oct | 5757114214 |
9 | 2054011115 |
10 | 800888972 |
11 | 381098814 |
12 | 1a42714b8 |
13 | c9c04700 |
14 | 7851b232 |
15 | 4a4a0682 |
hex | 2fbc988c |
800888972 has 36 divisors (see below), whose sum is σ = 1606958136. Its totient is φ = 347892480.
The previous prime is 800888971. The next prime is 800888983. The reversal of 800888972 is 279888008.
It is a self number, because there is not a number n which added to its sum of digits gives 800888972.
It is not an unprimeable number, because it can be changed into a prime (800888971) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23354 + ... + 46337.
It is an arithmetic number, because the mean of its divisors is an integer number (44637726).
Almost surely, 2800888972 is an apocalyptic number.
It is an amenable number.
800888972 is an abundant number, since it is smaller than the sum of its proper divisors (806069164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
800888972 is a wasteful number, since it uses less digits than its factorization.
800888972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69738 (or 69723 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 50.
The square root of 800888972 is about 28299.9818374500. The cubic root of 800888972 is about 928.6614929784.
The spelling of 800888972 in words is "eight hundred million, eight hundred eighty-eight thousand, nine hundred seventy-two".
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