Search a number
-
+
1389014004 = 223797170473
BaseRepresentation
bin101001011001010…
…1010101111110100
310120210200020000010
41102302222233310
510321041422004
6345455220220
746264265340
oct12262525764
93523606003
101389014004
11653075864
12329217670
13191a031a1
14d2692620
1581e24a89
hex52caabf4

1389014004 has 48 divisors (see below), whose sum is σ = 3742245248. Its totient is φ = 392767488.

The previous prime is 1389013987. The next prime is 1389014017. The reversal of 1389014004 is 4004109831.

It is a happy number.

It is a super-2 number, since 2×13890140042 = 3858719806616224032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77089 + ... + 93384.

Almost surely, 21389014004 is an apocalyptic number.

1389014004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1389014004 is an abundant number, since it is smaller than the sum of its proper divisors (2353231244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1389014004 is a wasteful number, since it uses less digits than its factorization.

1389014004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170584 (or 170582 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1389014004 is about 37269.4781825558. The cubic root of 1389014004 is about 1115.7550849355.

The spelling of 1389014004 in words is "one billion, three hundred eighty-nine million, fourteen thousand, four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 97 194 291 388 582 679 1164 1358 2037 2716 4074 8148 170473 340946 511419 681892 1022838 1193311 2045676 2386622 3579933 4773244 7159866 14319732 16535881 33071762 49607643 66143524 99215286 115751167 198430572 231502334 347253501 463004668 694507002 1389014004