Base | Representation |
---|---|
bin | 111011101001001111001 |
3 | 10200021222010 |
4 | 13131021321 |
5 | 1000020200 |
6 | 105520133 |
7 | 22420014 |
oct | 7351171 |
9 | 3607863 |
10 | 1954425 |
11 | 1115430 |
12 | 7a3049 |
13 | 535785 |
14 | 38c37b |
15 | 289150 |
hex | 1dd279 |
1954425 has 48 divisors (see below), whose sum is σ = 3714048. Its totient is φ = 897600.
The previous prime is 1954423. The next prime is 1954427. The reversal of 1954425 is 5244591.
It is an interprime number because it is at equal distance from previous prime (1954423) and next prime (1954427).
It is not a de Polignac number, because 1954425 - 21 = 1954423 is a prime.
Its product of digits (7200) is a multiple of the sum of its prime factors (150).
It is a junction number, because it is equal to n+sod(n) for n = 1954392 and 1954401.
It is not an unprimeable number, because it can be changed into a prime (1954423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18924 + ... + 19026.
It is an arithmetic number, because the mean of its divisors is an integer number (77376).
21954425 is an apocalyptic number.
1954425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1954425 is a deficient number, since it is larger than the sum of its proper divisors (1759623).
1954425 is a wasteful number, since it uses less digits than its factorization.
1954425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150 (or 145 counting only the distinct ones).
The product of its digits is 7200, while the sum is 30.
The square root of 1954425 is about 1398.0075107094. The cubic root of 1954425 is about 125.0277271825.
The spelling of 1954425 in words is "one million, nine hundred fifty-four thousand, four hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •