Search a number
-
+
1349621027 = 4728715341
BaseRepresentation
bin101000001110001…
…1001010100100011
310111001112211222222
41100130121110203
510231000333102
6341531021255
745305406116
oct12034312443
93431484888
101349621027
1163290a287
12317b9a82b
131867bca31
14cb35a57d
157d742aa2
hex50719523

1349621027 has 4 divisors (see below), whose sum is σ = 1378336416. Its totient is φ = 1320905640.

The previous prime is 1349621011. The next prime is 1349621033. The reversal of 1349621027 is 7201269431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7201269431 = 33121756101.

It is a cyclic number.

It is not a de Polignac number, because 1349621027 - 24 = 1349621011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1349621327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14357624 + ... + 14357717.

It is an arithmetic number, because the mean of its divisors is an integer number (344584104).

Almost surely, 21349621027 is an apocalyptic number.

1349621027 is a deficient number, since it is larger than the sum of its proper divisors (28715389).

1349621027 is an equidigital number, since it uses as much as digits as its factorization.

1349621027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28715388.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1349621027 is about 36737.1886104530. The cubic root of 1349621027 is about 1105.1060215083.

The spelling of 1349621027 in words is "one billion, three hundred forty-nine million, six hundred twenty-one thousand, twenty-seven".

Divisors: 1 47 28715341 1349621027