Search a number
-
+
2684780652 = 2237117211831
BaseRepresentation
bin1010000000000110…
…1000000001101100
320221002212222200110
42200001220001230
520444300440102
61122224100020
7123350154561
oct24001500154
96832788613
102684780652
111158541494
1262b164610
1333a2b8308
141b67d0868
1510aa7a86c
hexa006806c

2684780652 has 48 divisors (see below), whose sum is σ = 6359883264. Its totient is φ = 881328000.

The previous prime is 2684780621. The next prime is 2684780689. The reversal of 2684780652 is 2560874862.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1465377 + ... + 1467207.

It is an arithmetic number, because the mean of its divisors is an integer number (132497568).

Almost surely, 22684780652 is an apocalyptic number.

It is an amenable number.

2684780652 is an abundant number, since it is smaller than the sum of its proper divisors (3675102612).

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

2684780652 is a wasteful number, since it uses less digits than its factorization.

2684780652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630 (or 3628 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The square root of 2684780652 is about 51814.8690242482. The cubic root of 2684780652 is about 1389.8553499217.

The spelling of 2684780652 in words is "two billion, six hundred eighty-four million, seven hundred eighty thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 1721 1831 3442 3662 5163 5493 6884 7324 10326 10986 20652 21972 122191 130001 244382 260002 366573 390003 488764 520004 733146 780006 1466292 1560012 3151151 6302302 9453453 12604604 18906906 37813812 223731721 447463442 671195163 894926884 1342390326 2684780652