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1386317229 = 31142009613
BaseRepresentation
bin101001010100001…
…1000010110101101
310120121121012201120
41102220120112231
510314344122404
6345321331153
746232334123
oct12250302655
93517535646
101386317229
116515a3720
12328336ab9
1319129a86b
14d218d913
1581a909d9
hex52a185ad

1386317229 has 8 divisors (see below), whose sum is σ = 2016461472. Its totient is φ = 840192240.

The previous prime is 1386317209. The next prime is 1386317243. The reversal of 1386317229 is 9227136831.

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

It is not a de Polignac number, because 1386317229 - 213 = 1386309037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386317209) 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, 21004774 + ... + 21004839.

It is an arithmetic number, because the mean of its divisors is an integer number (252057684).

Almost surely, 21386317229 is an apocalyptic number.

It is an amenable number.

1386317229 is a deficient number, since it is larger than the sum of its proper divisors (630144243).

1386317229 is a wasteful number, since it uses less digits than its factorization.

1386317229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42009627.

The product of its digits is 108864, while the sum is 42.

The square root of 1386317229 is about 37233.2812010975. The cubic root of 1386317229 is about 1115.0325364700.

The spelling of 1386317229 in words is "one billion, three hundred eighty-six million, three hundred seventeen thousand, two hundred twenty-nine".

Divisors: 1 3 11 33 42009613 126028839 462105743 1386317229