Search a number
-
+
1439454027 = 311612113389
BaseRepresentation
bin101010111001100…
…0101001101001011
310201022120211201010
41111303011031023
510422000012102
6354500255003
750446104654
oct12563051513
93638524633
101439454027
11679597130
123420a1463
1319c2b395b
14d926252b
1586589d6c
hex55cc534b

1439454027 has 32 divisors (see below), whose sum is σ = 2138791680. Its totient is φ = 853776000.

The previous prime is 1439454019. The next prime is 1439454047. The reversal of 1439454027 is 7204549341.

It is not a de Polignac number, because 1439454027 - 23 = 1439454019 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1439454047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423049 + ... + 426437.

It is an arithmetic number, because the mean of its divisors is an integer number (66837240).

Almost surely, 21439454027 is an apocalyptic number.

1439454027 is a deficient number, since it is larger than the sum of its proper divisors (699337653).

1439454027 is a wasteful number, since it uses less digits than its factorization.

1439454027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 1439454027 is about 37940.1374140896. The cubic root of 1439454027 is about 1129.1004998766.

The spelling of 1439454027 in words is "one billion, four hundred thirty-nine million, four hundred fifty-four thousand, twenty-seven".

Divisors: 1 3 11 33 61 183 211 633 671 2013 2321 3389 6963 10167 12871 37279 38613 111837 141581 206729 424743 620187 715079 2145237 2274019 6822057 7865869 23597607 43619819 130859457 479818009 1439454027