[go: up one dir, main page]

Search a number
-
+
2049825 = 352151181
BaseRepresentation
bin111110100011100100001
310212010211110
413310130201
51011043300
6111533533
723265111
oct7643441
93763743
102049825
111180078
1282a2a9
1356a01b
143b5041
152a7550
hex1f4721

2049825 has 24 divisors (see below), whose sum is σ = 3430336. Its totient is φ = 1080000.

The previous prime is 2049823. The next prime is 2049847. The reversal of 2049825 is 5289402.

It is not a de Polignac number, because 2049825 - 21 = 2049823 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2049792 and 2049801.

It is not an unprimeable number, because it can be changed into a prime (2049821) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 11235 + ... + 11415.

22049825 is an apocalyptic number.

2049825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2049825 is a deficient number, since it is larger than the sum of its proper divisors (1380511).

2049825 is a wasteful number, since it uses less digits than its factorization.

2049825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2049825 is about 1431.7209923725. The cubic root of 2049825 is about 127.0297944026.

The spelling of 2049825 in words is "two million, forty-nine thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 75 151 181 453 543 755 905 2265 2715 3775 4525 11325 13575 27331 81993 136655 409965 683275 2049825