Search a number
-
+
3421285872 = 243354120129
BaseRepresentation
bin1100101111101100…
…1010110111110000
322211102202022220120
43023323022313300
524001322121442
61323254010240
7150532310244
oct31373126760
98742668816
103421285872
1114a6254794
127b5946980
13426a69614
1424654c424
1515055e4ec
hexcbecadf0

3421285872 has 40 divisors (see below), whose sum is σ = 8841257040. Its totient is φ = 1140049920.

The previous prime is 3421285867. The next prime is 3421285897. The reversal of 3421285872 is 2785821243.

It is a congruent number.

It is an unprimeable number.

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, 159904 + ... + 180032.

It is an arithmetic number, because the mean of its divisors is an integer number (221031426).

Almost surely, 23421285872 is an apocalyptic number.

It is an amenable number.

3421285872 is an abundant number, since it is smaller than the sum of its proper divisors (5419971168).

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

3421285872 is a wasteful number, since it uses less digits than its factorization.

3421285872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23681 (or 23675 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 3421285872 is about 58491.7590092827. The cubic root of 3421285872 is about 1506.8260557442.

The spelling of 3421285872 in words is "three billion, four hundred twenty-one million, two hundred eighty-five thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 3541 7082 10623 14164 20129 21246 28328 40258 42492 56656 60387 80516 84984 120774 161032 169968 241548 322064 483096 966192 71276789 142553578 213830367 285107156 427660734 570214312 855321468 1140428624 1710642936 3421285872