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2000025 = 33522963
BaseRepresentation
bin111101000010010011001
310202121112000
413220102121
51003000100
6110511213
722666656
oct7502231
93677460
102000025
111146715
12805509
13550461
143a0c2d
15297900
hex1e8499

2000025 has 24 divisors (see below), whose sum is σ = 3675360. Its totient is φ = 1066320.

The previous prime is 2000003. The next prime is 2000029. The reversal of 2000025 is 5200002.

It is not a de Polignac number, because 2000025 - 25 = 1999993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1999980 and 2000016.

It is not an unprimeable number, because it can be changed into a prime (2000029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 807 + ... + 2156.

It is an arithmetic number, because the mean of its divisors is an integer number (153140).

22000025 is an apocalyptic number.

2000025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2000025 is a deficient number, since it is larger than the sum of its proper divisors (1675335).

2000025 is a wasteful number, since it uses less digits than its factorization.

2000025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982 (or 2971 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 9.

The square root of 2000025 is about 1414.2224011802. Note that the first 3 decimals coincide. The cubic root of 2000025 is about 125.9926299544.

Adding to 2000025 its reverse (5200002), we get a palindrome (7200027).

The spelling of 2000025 in words is "two million, twenty-five", and thus it is an aban number and an uban number.

Divisors: 1 3 5 9 15 25 27 45 75 135 225 675 2963 8889 14815 26667 44445 74075 80001 133335 222225 400005 666675 2000025