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2572005 = 35171467
BaseRepresentation
bin1001110011111011100101
311211200010110
421303323211
51124301010
6131043233
730601362
oct11637345
94750113
102572005
1114a7427
12a40519
136c08c7
144ad469
1535c120
hex273ee5

2572005 has 8 divisors (see below), whose sum is σ = 4115232. Its totient is φ = 1371728.

The previous prime is 2572001. The next prime is 2572019. The reversal of 2572005 is 5002752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2572005 - 22 = 2572001 is a prime.

It is a Curzon number.

2572005 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2572001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85719 + ... + 85748.

It is an arithmetic number, because the mean of its divisors is an integer number (514404).

22572005 is an apocalyptic number.

It is an amenable number.

2572005 is a deficient number, since it is larger than the sum of its proper divisors (1543227).

2572005 is a wasteful number, since it uses less digits than its factorization.

2572005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171475.

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 2572005 is about 1603.7471745883. The cubic root of 2572005 is about 137.0115783988.

Adding to 2572005 its reverse (5002752), we get a palindrome (7574757).

The spelling of 2572005 in words is "two million, five hundred seventy-two thousand, five".

Divisors: 1 3 5 15 171467 514401 857335 2572005