Base | Representation |
---|---|
bin | 111100110011010100010 |
3 | 10202012222220 |
4 | 13212122202 |
5 | 1002223404 |
6 | 110411510 |
7 | 22635420 |
oct | 7463242 |
9 | 3665886 |
10 | 1992354 |
11 | 1140981 |
12 | 800b96 |
13 | 549b10 |
14 | 39c110 |
15 | 2954d9 |
hex | 1e66a2 |
1992354 has 64 divisors (see below), whose sum is σ = 5080320. Its totient is φ = 506880.
The previous prime is 1992343. The next prime is 1992373. The reversal of 1992354 is 4532991.
It is a super-3 number, since 3×19923543 = 23725794962702333592, which contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22342 + ... + 22430.
It is an arithmetic number, because the mean of its divisors is an integer number (79380).
21992354 is an apocalyptic number.
1992354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1992354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2540160).
1992354 is an abundant number, since it is smaller than the sum of its proper divisors (3087966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1992354 is a wasteful number, since it uses less digits than its factorization.
1992354 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 155.
The product of its digits is 9720, while the sum is 33.
The square root of 1992354 is about 1411.5077045486. The cubic root of 1992354 is about 125.8313440129.
It can be divided in two parts, 1992 and 354, that added together give a triangular number (2346 = T68).
The spelling of 1992354 in words is "one million, nine hundred ninety-two thousand, three hundred fifty-four".
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