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1387342267 = 2367900287
BaseRepresentation
bin101001010110001…
…0010100110111011
310120200112021210221
41102230102212323
510320124423032
6345355320511
746244133433
oct12254224673
93520467727
101387342267
11652133863
12328750137
131915692ac
14d23792c3
1581be4597
hex52b129bb

1387342267 has 8 divisors (see below), whose sum is σ = 1469270016. Its totient is φ = 1307215272.

The previous prime is 1387342259. The next prime is 1387342279. The reversal of 1387342267 is 7622437831.

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 1387342267 - 23 = 1387342259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1387342667) 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, 448603 + ... + 451684.

It is an arithmetic number, because the mean of its divisors is an integer number (183658752).

Almost surely, 21387342267 is an apocalyptic number.

1387342267 is a deficient number, since it is larger than the sum of its proper divisors (81927749).

1387342267 is an equidigital number, since it uses as much as digits as its factorization.

1387342267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900377.

The product of its digits is 338688, while the sum is 43.

The square root of 1387342267 is about 37247.0437350402. The cubic root of 1387342267 is about 1115.3072857879.

The spelling of 1387342267 in words is "one billion, three hundred eighty-seven million, three hundred forty-two thousand, two hundred sixty-seven".

Divisors: 1 23 67 1541 900287 20706601 60319229 1387342267