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1387534105 = 5436453647
BaseRepresentation
bin101001010110100…
…0001011100011001
310120200220000222001
41102231001130121
510320202042410
6345403401001
746245562636
oct12255013431
93520800861
101387534105
11652254a01
12328823161
131916056c9
14d23c918d
1581c3133a
hex52b41719

1387534105 has 8 divisors (see below), whose sum is σ = 1703763072. Its totient is φ = 1084212528.

The previous prime is 1387534091. The next prime is 1387534111. The reversal of 1387534105 is 5014357831.

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 1387534105 - 27 = 1387533977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3226609 + ... + 3227038.

It is an arithmetic number, because the mean of its divisors is an integer number (212970384).

Almost surely, 21387534105 is an apocalyptic number.

It is an amenable number.

1387534105 is a deficient number, since it is larger than the sum of its proper divisors (316228967).

1387534105 is an equidigital number, since it uses as much as digits as its factorization.

1387534105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6453695.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 1387534105 is about 37249.6188571105. The cubic root of 1387534105 is about 1115.3586906606.

The spelling of 1387534105 in words is "one billion, three hundred eighty-seven million, five hundred thirty-four thousand, one hundred five".

Divisors: 1 5 43 215 6453647 32268235 277506821 1387534105