Base | Representation |
---|---|
bin | 1100000001001… |
… | …01000100000000 |
3 | 21000200221022202 |
4 | 12000211010000 |
5 | 201302040404 |
6 | 14000452332 |
7 | 2332625405 |
oct | 600450400 |
9 | 230627282 |
10 | 100815104 |
11 | 519a8975 |
12 | 2991a0a8 |
13 | 17b6a810 |
14 | d5642ac |
15 | 8cb621e |
hex | 6025100 |
100815104 has 36 divisors (see below), whose sum is σ = 216723276. Its totient is φ = 46528512.
The previous prime is 100815103. The next prime is 100815133. The reversal of 100815104 is 401518001.
It can be written as a sum of positive squares in 2 ways, for example, as 27541504 + 73273600 = 5248^2 + 8560^2 .
It is a super-3 number, since 3×1008151043 (a number of 25 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (100815103) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11819 + ... + 18474.
It is an arithmetic number, because the mean of its divisors is an integer number (6020091).
Almost surely, 2100815104 is an apocalyptic number.
It is an amenable number.
100815104 is an abundant number, since it is smaller than the sum of its proper divisors (115908172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100815104 is an equidigital number, since it uses as much as digits as its factorization.
100815104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30322 (or 30308 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 20.
The square root of 100815104 is about 10040.6724874383. The cubic root of 100815104 is about 465.4165981729.
The spelling of 100815104 in words is "one hundred million, eight hundred fifteen thousand, one hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •