[go: up one dir, main page]

Search a number
-
+
1389351614 = 27313201271
BaseRepresentation
bin101001011001111…
…1101001010111110
310120211022101010012
41102303331022332
510321133222424
6345510343222
746300202540
oct12263751276
93524271105
101389351614
11653286482
1232935ab12
13191ac0a61
14d273d690
1581e8eb0e
hex52cfd2be

1389351614 has 16 divisors (see below), whose sum is σ = 2458576896. Its totient is φ = 576228600.

The previous prime is 1389351589. The next prime is 1389351617. The reversal of 1389351614 is 4161539831.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389351617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1600202 + ... + 1601069.

It is an arithmetic number, because the mean of its divisors is an integer number (153661056).

Almost surely, 21389351614 is an apocalyptic number.

1389351614 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1389351614 is a deficient number, since it is larger than the sum of its proper divisors (1069225282).

1389351614 is a wasteful number, since it uses less digits than its factorization.

1389351614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201311.

The product of its digits is 77760, while the sum is 41.

The square root of 1389351614 is about 37274.0072168260. The cubic root of 1389351614 is about 1115.8454750871.

The spelling of 1389351614 in words is "one billion, three hundred eighty-nine million, three hundred fifty-one thousand, six hundred fourteen".

Divisors: 1 2 7 14 31 62 217 434 3201271 6402542 22408897 44817794 99239401 198478802 694675807 1389351614