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2003430025 = 521731152063
BaseRepresentation
bin111011101101001…
…1110101010001001
312011121210210100001
41313122132222021
513100334230100
6530444243001
7100434605602
oct16732365211
95147723301
102003430025
1193897a6a3
1247ab40461
1325c0a866c
1415010cda9
15bad3dd6a
hex7769ea89

2003430025 has 24 divisors (see below), whose sum is σ = 2715254784. Its totient is φ = 1459795200.

The previous prime is 2003429999. The next prime is 2003430073. The reversal of 2003430025 is 5200343002.

It is a de Polignac number, because none of the positive numbers 2k-2003430025 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2003429984 and 2003430011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62857 + ... + 89206.

It is an arithmetic number, because the mean of its divisors is an integer number (113135616).

Almost surely, 22003430025 is an apocalyptic number.

2003430025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2003430025 is a deficient number, since it is larger than the sum of its proper divisors (711824759).

2003430025 is a wasteful number, since it uses less digits than its factorization.

2003430025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152121 (or 152116 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 2003430025 is about 44759.6919672153. The cubic root of 2003430025 is about 1260.6408986516.

Adding to 2003430025 its reverse (5200343002), we get a palindrome (7203773027).

The spelling of 2003430025 in words is "two billion, three million, four hundred thirty thousand, twenty-five".

Divisors: 1 5 17 25 31 85 155 425 527 775 2635 13175 152063 760315 2585071 3801575 4713953 12925355 23569765 64626775 80137201 117848825 400686005 2003430025