Base | Representation |
---|---|
bin | 1011001100011111… |
… | …0110001111001100 |
3 | 21202102202220100120 |
4 | 2303013312033030 |
5 | 22123311210303 |
6 | 1214111224540 |
7 | 134320412211 |
oct | 26307661714 |
9 | 7672686316 |
10 | 3005178828 |
11 | 1302388373 |
12 | 6ba518150 |
13 | 38b7a8832 |
14 | 207193b08 |
15 | 128c68553 |
hex | b31f63cc |
3005178828 has 12 divisors (see below), whose sum is σ = 7012083960. Its totient is φ = 1001726272.
The previous prime is 3005178823. The next prime is 3005178829. The reversal of 3005178828 is 8288715003.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 3005178828.
It is not an unprimeable number, because it can be changed into a prime (3005178823) 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, 125215773 + ... + 125215796.
It is an arithmetic number, because the mean of its divisors is an integer number (584340330).
Almost surely, 23005178828 is an apocalyptic number.
It is an amenable number.
3005178828 is an abundant number, since it is smaller than the sum of its proper divisors (4006905132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3005178828 is a wasteful number, since it uses less digits than its factorization.
3005178828 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 250431576 (or 250431574 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 42.
The square root of 3005178828 is about 54819.5113805295. The cubic root of 3005178828 is about 1443.0790001551.
The spelling of 3005178828 in words is "three billion, five million, one hundred seventy-eight thousand, eight hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •