Base | Representation |
---|---|
bin | 101101011111100100101 |
3 | 2210201220001 |
4 | 11223330211 |
5 | 340200400 |
6 | 51541301 |
7 | 15446065 |
oct | 5537445 |
9 | 2721801 |
10 | 1490725 |
11 | 929005 |
12 | 5ba831 |
13 | 4026b2 |
14 | 2ab3a5 |
15 | 1e6a6a |
hex | 16bf25 |
1490725 has 6 divisors (see below), whose sum is σ = 1848530. Its totient is φ = 1192560.
The previous prime is 1490717. The next prime is 1490729. The reversal of 1490725 is 5270941.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 103041 + 1387684 = 321^2 + 1178^2 .
It is not a de Polignac number, because 1490725 - 23 = 1490717 is a prime.
It is a super-2 number, since 2×14907252 = 4444522051250, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a junction number, because it is equal to n+sod(n) for n = 1490693 and 1490702.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1490729) 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 5 ways as a sum of consecutive naturals, for example, 29790 + ... + 29839.
21490725 is an apocalyptic number.
It is an amenable number.
1490725 is a deficient number, since it is larger than the sum of its proper divisors (357805).
1490725 is an equidigital number, since it uses as much as digits as its factorization.
1490725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59639 (or 59634 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 28.
The square root of 1490725 is about 1220.9524970284. The cubic root of 1490725 is about 114.2349979584.
The spelling of 1490725 in words is "one million, four hundred ninety thousand, seven hundred twenty-five".
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