Search a number
-
+
1385556996 = 223397290839
BaseRepresentation
bin101001010010101…
…1110110000000100
310120120011120212210
41102211132300010
510314200310441
6345253143420
746223016525
oct12245366004
93516146783
101385556996
1165112452a
1232802ab70
13191092815
14d203284c
1581990616
hex5295ec04

1385556996 has 24 divisors (see below), whose sum is σ = 3241120960. Its totient is φ = 460687392.

The previous prime is 1385556973. The next prime is 1385557027. The reversal of 1385556996 is 6996555831.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 140656 + ... + 150183.

Almost surely, 21385556996 is an apocalyptic number.

It is an amenable number.

1385556996 is an abundant number, since it is smaller than the sum of its proper divisors (1855563964).

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

1385556996 is a wasteful number, since it uses less digits than its factorization.

1385556996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291243 (or 291241 counting only the distinct ones).

The product of its digits is 8748000, while the sum is 57.

The square root of 1385556996 is about 37223.0707492007. The cubic root of 1385556996 is about 1114.8286775187.

The spelling of 1385556996 in words is "one billion, three hundred eighty-five million, five hundred fifty-six thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 397 794 1191 1588 2382 4764 290839 581678 872517 1163356 1745034 3490068 115463083 230926166 346389249 461852332 692778498 1385556996