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2002025 = 52731097
BaseRepresentation
bin111101000110001101001
310202201021002
413220301221
51003031100
6110524345
723005544
oct7506151
93681232
102002025
111148173
128066b5
1355133c
143a185b
152982d5
hex1e8c69

2002025 has 12 divisors (see below), whose sum is σ = 2518812. Its totient is φ = 1578240.

The previous prime is 2002019. The next prime is 2002061. The reversal of 2002025 is 5202002.

It can be written as a sum of positive squares in 6 ways, for example, as 94864 + 1907161 = 308^2 + 1381^2 .

It is not a de Polignac number, because 2002025 - 24 = 2002009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001997 and 2002015.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1277 + ... + 2373.

It is an arithmetic number, because the mean of its divisors is an integer number (209901).

22002025 is an apocalyptic number.

2002025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2002025 is a deficient number, since it is larger than the sum of its proper divisors (516787).

2002025 is a wasteful number, since it uses less digits than its factorization.

2002025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 2002025 is about 1414.9293268570. The cubic root of 2002025 is about 126.0346129817.

Adding to 2002025 its reverse (5202002), we get a palindrome (7204027).

It can be divided in two parts, 20020 and 25, that multiplied together give a triangular number (500500 = T1000).

The spelling of 2002025 in words is "two million, two thousand, twenty-five".

Divisors: 1 5 25 73 365 1097 1825 5485 27425 80081 400405 2002025