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12742503 = 317249853
BaseRepresentation
bin110000100110…
…111101100111
3212222101102120
4300212331213
511230230003
61133041023
7213211104
oct60467547
925871376
1012742503
1172136a4
124326173
132841c57
141999aab
1511ba853
hexc26f67

12742503 has 8 divisors (see below), whose sum is σ = 17989488. Its totient is φ = 7995264.

The previous prime is 12742481. The next prime is 12742511. The reversal of 12742503 is 30524721.

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

It is not a de Polignac number, because 12742503 - 210 = 12741479 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12742553) 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, 124876 + ... + 124977.

It is an arithmetic number, because the mean of its divisors is an integer number (2248686).

Almost surely, 212742503 is an apocalyptic number.

12742503 is a deficient number, since it is larger than the sum of its proper divisors (5246985).

12742503 is a wasteful number, since it uses less digits than its factorization.

12742503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249873.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 12742503 is about 3569.6642699279. The cubic root of 12742503 is about 233.5706386187.

The spelling of 12742503 in words is "twelve million, seven hundred forty-two thousand, five hundred three".

Divisors: 1 3 17 51 249853 749559 4247501 12742503