Search a number
-
+
2689471432 = 23195326299
BaseRepresentation
bin1010000001001110…
…0001001111001000
320221102201022020001
42200103201033020
521002001041212
61122512412344
7123435062404
oct24023411710
96842638201
102689471432
11116015576a
126308470b4
1333b26b41b
141b7292104
1510b1a5657
hexa04e13c8

2689471432 has 48 divisors (see below), whose sum is σ = 5411070000. Its totient is φ = 1249724736.

The previous prime is 2689471403. The next prime is 2689471439. The reversal of 2689471432 is 2341749862.

It is a happy number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2689471439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 423819 + ... + 430117.

It is an arithmetic number, because the mean of its divisors is an integer number (112730625).

Almost surely, 22689471432 is an apocalyptic number.

It is an amenable number.

2689471432 is an abundant number, since it is smaller than the sum of its proper divisors (2721598568).

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

2689471432 is a wasteful number, since it uses less digits than its factorization.

2689471432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6430 (or 6373 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 2689471432 is about 51860.1140762340. The cubic root of 2689471432 is about 1390.6643188593.

The spelling of 2689471432 in words is "two billion, six hundred eighty-nine million, four hundred seventy-one thousand, four hundred thirty-two".

Divisors: 1 2 4 8 19 38 53 76 106 152 212 424 1007 2014 2809 4028 5618 6299 8056 11236 12598 22472 25196 50392 53371 106742 119681 213484 239362 333847 426968 478724 667694 957448 1335388 2670776 6343093 12686186 17693891 25372372 35387782 50744744 70775564 141551128 336183929 672367858 1344735716 2689471432