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20130703 = 172295171
BaseRepresentation
bin100110011001…
…0101110001111
31101212202010121
41030302232033
520123140303
61555245411
7333052045
oct114625617
941782117
1020130703
11103aa54a
1268a9867
13422aa78
142960395
151b799bd
hex1332b8f

20130703 has 8 divisors (see below), whose sum is σ = 21412080. Its totient is φ = 18860160.

The previous prime is 20130683. The next prime is 20130707. The reversal of 20130703 is 30703102.

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 20130703 - 213 = 20122511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130707) 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, 1308 + ... + 6478.

It is an arithmetic number, because the mean of its divisors is an integer number (2676510).

Almost surely, 220130703 is an apocalyptic number.

20130703 is a deficient number, since it is larger than the sum of its proper divisors (1281377).

20130703 is a wasteful number, since it uses less digits than its factorization.

20130703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5417.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 20130703 is about 4486.7251977361. The cubic root of 20130703 is about 272.0317824381.

Adding to 20130703 its reverse (30703102), we get a palindrome (50833805).

The spelling of 20130703 in words is "twenty million, one hundred thirty thousand, seven hundred three".

Divisors: 1 17 229 3893 5171 87907 1184159 20130703