Base | Representation |
---|---|
bin | 111100110100111111100 |
3 | 10202021011200 |
4 | 13212213330 |
5 | 1002240322 |
6 | 110415500 |
7 | 22641054 |
oct | 7464774 |
9 | 3667150 |
10 | 1993212 |
11 | 1141591 |
12 | 801590 |
13 | 54a320 |
14 | 39c564 |
15 | 2958ac |
hex | 1e69fc |
1993212 has 36 divisors (see below), whose sum is σ = 5427240. Its totient is φ = 613152.
The previous prime is 1993193. The next prime is 1993217. The reversal of 1993212 is 2123991.
It is a tau number, because it is divible by the number of its divisors (36).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1993217) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1662 + ... + 2597.
21993212 is an apocalyptic number.
1993212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1993212 is an abundant number, since it is smaller than the sum of its proper divisors (3434028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1993212 is a wasteful number, since it uses less digits than its factorization.
1993212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4282 (or 4277 counting only the distinct ones).
The product of its digits is 972, while the sum is 27.
The square root of 1993212 is about 1411.8116021623. The cubic root of 1993212 is about 125.8494043574.
The spelling of 1993212 in words is "one million, nine hundred ninety-three thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •