Base | Representation |
---|---|
bin | 111100001100000011010 |
3 | 10201012102022 |
4 | 13201200122 |
5 | 1001103000 |
6 | 110134442 |
7 | 22523000 |
oct | 7414032 |
9 | 3635368 |
10 | 1972250 |
11 | 1127865 |
12 | 7b1422 |
13 | 540917 |
14 | 394a70 |
15 | 28e585 |
hex | 1e181a |
1972250 has 64 divisors (see below), whose sum is σ = 4492800. Its totient is φ = 646800.
The previous prime is 1972249. The next prime is 1972259. The reversal of 1972250 is 522791.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1972259) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85739 + ... + 85761.
It is an arithmetic number, because the mean of its divisors is an integer number (70200).
21972250 is an apocalyptic number.
1972250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1972250 is an abundant number, since it is smaller than the sum of its proper divisors (2520550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1972250 is an equidigital number, since it uses as much as digits as its factorization.
1972250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61 (or 37 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 26.
The square root of 1972250 is about 1404.3681853417. The cubic root of 1972250 is about 125.4066754856.
It can be divided in two parts, 1972 and 250, that added together give a palindrome (2222).
The spelling of 1972250 in words is "one million, nine hundred seventy-two thousand, two hundred fifty".
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