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20250713 = 7191071423
BaseRepresentation
bin100110101000…
…0000001011001
31102002211202102
41031100001121
520141010323
62002013145
7334061660
oct115200131
942084672
1020250713
111048172a
1269471b5
134270592
142991dd7
151ba0328
hex1350059

20250713 has 16 divisors (see below), whose sum is σ = 24606720. Its totient is φ = 16279056.

The previous prime is 20250707. The next prime is 20250733. The reversal of 20250713 is 31705202.

It is a cyclic number.

It is not a de Polignac number, because 20250713 - 24 = 20250697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20250733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13520 + ... + 14942.

It is an arithmetic number, because the mean of its divisors is an integer number (1537920).

Almost surely, 220250713 is an apocalyptic number.

It is an amenable number.

20250713 is a deficient number, since it is larger than the sum of its proper divisors (4356007).

20250713 is a wasteful number, since it uses less digits than its factorization.

20250713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 20250713 is about 4500.0792215249. The cubic root of 20250713 is about 272.5712879169.

Adding to 20250713 its reverse (31705202), we get a palindrome (51955915).

The spelling of 20250713 in words is "twenty million, two hundred fifty thousand, seven hundred thirteen".

Divisors: 1 7 19 107 133 749 1423 2033 9961 14231 27037 152261 189259 1065827 2892959 20250713