Base | Representation |
---|---|
bin | 1100010001001… |
… | …00010100010001 |
3 | 21011122022212220 |
4 | 12020210110101 |
5 | 202321043301 |
6 | 14113411253 |
7 | 2356466553 |
oct | 610442421 |
9 | 234568786 |
10 | 102909201 |
11 | 530a922a |
12 | 2a569b29 |
13 | 18421a25 |
14 | d94b4d3 |
15 | 907b936 |
hex | 6224511 |
102909201 has 8 divisors (see below), whose sum is σ = 137279424. Its totient is φ = 68572560.
The previous prime is 102909167. The next prime is 102909217.
102909201 is nontrivially palindromic in base 10.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 102909201 - 26 = 102909137 is a prime.
It is not an unprimeable number, because it can be changed into a prime (102909251) 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, 61 + ... + 14346.
It is an arithmetic number, because the mean of its divisors is an integer number (17159928).
Almost surely, 2102909201 is an apocalyptic number.
It is an amenable number.
102909201 is a deficient number, since it is larger than the sum of its proper divisors (34370223).
102909201 is a wasteful number, since it uses less digits than its factorization.
102909201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16791.
The product of its (nonzero) digits is 324, while the sum is 24.
The square root of 102909201 is about 10144.4172331386. The cubic root of 102909201 is about 468.6170316539.
It can be divided in two parts, 10290 and 9201, that added together give a palindrome (19491).
The spelling of 102909201 in words is "one hundred two million, nine hundred nine thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •