Base | Representation |
---|---|
bin | 1100001011101… |
… | …11101010010001 |
3 | 21010022101210022 |
4 | 12011313222101 |
5 | 202130431001 |
6 | 14050313225 |
7 | 2350463006 |
oct | 605675221 |
9 | 233271708 |
10 | 102202001 |
11 | 52765970 |
12 | 2a288815 |
13 | 18234b75 |
14 | d8058ad |
15 | 8e8c11b |
hex | 6177a91 |
102202001 has 16 divisors (see below), whose sum is σ = 114360768. Its totient is φ = 90552000.
The previous prime is 102201991. The next prime is 102202021. The reversal of 102202001 is 100202201.
It is not a de Polignac number, because 102202001 - 26 = 102201937 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 102202001.
It is not an unprimeable number, because it can be changed into a prime (102202021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73751 + ... + 75123.
It is an arithmetic number, because the mean of its divisors is an integer number (7147548).
Almost surely, 2102202001 is an apocalyptic number.
102202001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
102202001 is a deficient number, since it is larger than the sum of its proper divisors (12158767).
102202001 is a wasteful number, since it uses less digits than its factorization.
102202001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1552.
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 102202001 is about 10109.5005316781. The cubic root of 102202001 is about 467.5411057491.
Adding to 102202001 its reverse (100202201), we get a palindrome (202404202).
It can be divided in two parts, 10220 and 2001, that added together give a palindrome (12221).
The spelling of 102202001 in words is "one hundred two million, two hundred two thousand, one".
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