Base | Representation |
---|---|
bin | 1011101010110… |
… | …10101000100001 |
3 | 20211012021012011 |
4 | 11311122220201 |
5 | 200024420201 |
6 | 13414032521 |
7 | 2266020043 |
oct | 565325041 |
9 | 224167164 |
10 | 97888801 |
11 | 5028a33a |
12 | 28948741 |
13 | 1738488a |
14 | d001a93 |
15 | 88d9151 |
hex | 5d5aa21 |
97888801 has 2 divisors, whose sum is σ = 97888802. Its totient is φ = 97888800.
The previous prime is 97888787. The next prime is 97888823. The reversal of 97888801 is 10888879.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 94187025 + 3701776 = 9705^2 + 1924^2 .
It is an emirp because it is prime and its reverse (10888879) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 97888801 - 27 = 97888673 is a prime.
It is a super-2 number, since 2×978888012 = 19164434722435202, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (97888871) 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 as a sum of consecutive naturals, namely, 48944400 + 48944401.
It is an arithmetic number, because the mean of its divisors is an integer number (48944401).
Almost surely, 297888801 is an apocalyptic number.
It is an amenable number.
97888801 is a deficient number, since it is larger than the sum of its proper divisors (1).
97888801 is an equidigital number, since it uses as much as digits as its factorization.
97888801 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 258048, while the sum is 49.
The square root of 97888801 is about 9893.8769448584. The cubic root of 97888801 is about 460.8691836494.
It can be divided in two parts, 97888 and 801, that added together give a palindrome (98689).
The spelling of 97888801 in words is "ninety-seven million, eight hundred eighty-eight thousand, eight hundred one".
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