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1273425343 = 3896415107
BaseRepresentation
bin100101111100110…
…1110110110111111
310021202011201011121
41023321232312333
510101444102333
6330205531411
743361636221
oct11371566677
93252151147
101273425343
115a38a7343
122b6573b67
13173a92128
14c11a4411
1576be132d
hex4be6edbf

1273425343 has 8 divisors (see below), whose sum is σ = 1278941040. Its totient is φ = 1267921920.

The previous prime is 1273425313. The next prime is 1273425389. The reversal of 1273425343 is 3435243721.

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 1273425343 - 25 = 1273425311 is a prime.

It is a super-2 number, since 2×12734253432 = 3243224208389335298, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1273425299 and 1273425308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273425313) 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, 246796 + ... + 251902.

It is an arithmetic number, because the mean of its divisors is an integer number (159867630).

Almost surely, 21273425343 is an apocalyptic number.

1273425343 is a deficient number, since it is larger than the sum of its proper divisors (5515697).

1273425343 is an equidigital number, since it uses as much as digits as its factorization.

1273425343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6137.

The product of its digits is 60480, while the sum is 34.

The square root of 1273425343 is about 35685.0857221893. The cubic root of 1273425343 is about 1083.9048583114.

The spelling of 1273425343 in words is "one billion, two hundred seventy-three million, four hundred twenty-five thousand, three hundred forty-three".

Divisors: 1 389 641 5107 249349 1986623 3273587 1273425343