Base | Representation |
---|---|
bin | 1111010010000… |
… | …00111100000110 |
3 | 22221012211201120 |
4 | 13221000330012 |
5 | 230304123022 |
6 | 20415334410 |
7 | 3114421242 |
oct | 751007406 |
9 | 287184646 |
10 | 128192262 |
11 | 663a7820 |
12 | 36b21406 |
13 | 20734a13 |
14 | 1304d422 |
15 | b3c2d5c |
hex | 7a40f06 |
128192262 has 16 divisors (see below), whose sum is σ = 279692352. Its totient is φ = 38846120.
The previous prime is 128192261. The next prime is 128192269. The reversal of 128192262 is 262291821.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128192261) 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, 971088 + ... + 971219.
It is an arithmetic number, because the mean of its divisors is an integer number (17480772).
Almost surely, 2128192262 is an apocalyptic number.
128192262 is an abundant number, since it is smaller than the sum of its proper divisors (151500090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128192262 is a wasteful number, since it uses less digits than its factorization.
128192262 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1942323.
The product of its digits is 6912, while the sum is 33.
The square root of 128192262 is about 11322.2021709560. The cubic root of 128192262 is about 504.2206217905.
The spelling of 128192262 in words is "one hundred twenty-eight million, one hundred ninety-two thousand, two hundred sixty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •