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4505025 = 35278581
BaseRepresentation
bin10001001011110111000001
322110212201210
4101023313001
52123130100
6240320333
753202120
oct21136701
98425653
104505025
1125a7768
1216130a9
13c196c5
14853ab7
155dec50
hex44bdc1

4505025 has 24 divisors (see below), whose sum is σ = 8513344. Its totient is φ = 2059200.

The previous prime is 4505003. The next prime is 4505029. The reversal of 4505025 is 5205054.

It is not a de Polignac number, because 4505025 - 25 = 4504993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 4504992 and 4505010.

It is not an unprimeable number, because it can be changed into a prime (4505029) 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, 3766 + ... + 4815.

Almost surely, 24505025 is an apocalyptic number.

It is an amenable number.

4505025 is a deficient number, since it is larger than the sum of its proper divisors (4008319).

4505025 is a wasteful number, since it uses less digits than its factorization.

4505025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8601 (or 8596 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 4505025 is about 2122.5044169565. The cubic root of 4505025 is about 165.1577921198.

The spelling of 4505025 in words is "four million, five hundred five thousand, twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 8581 25743 42905 60067 128715 180201 214525 300335 643575 901005 1501675 4505025