[go: up one dir, main page]

Search a number
-
+
1608025 = 52131491
BaseRepresentation
bin110001000100101011001
310000200210111
412020211121
5402424100
654244321
716445056
oct6104531
93020714
101608025
119a9151
126566a1
13443bc3
142dc02d
1521b6ba
hex188959

1608025 has 12 divisors (see below), whose sum is σ = 2013264. Its totient is φ = 1274000.

The previous prime is 1608023. The next prime is 1608037. The reversal of 1608025 is 5208061.

It is a happy number.

It is not a de Polignac number, because 1608025 - 21 = 1608023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1607987 and 1608005.

It is not an unprimeable number, because it can be changed into a prime (1608023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3030 + ... + 3520.

It is an arithmetic number, because the mean of its divisors is an integer number (167772).

21608025 is an apocalyptic number.

It is an amenable number.

1608025 is a deficient number, since it is larger than the sum of its proper divisors (405239).

1608025 is a wasteful number, since it uses less digits than its factorization.

1608025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1608025 is about 1268.0792561981. The cubic root of 1608025 is about 117.1559271981.

The spelling of 1608025 in words is "one million, six hundred eight thousand, twenty-five".

Divisors: 1 5 25 131 491 655 2455 3275 12275 64321 321605 1608025