Search a number
-
+
2689039772 = 22819182073
BaseRepresentation
bin1010000001000111…
…0111110110011100
320221101220101002122
42200101313312130
521001343233042
61122455242112
7123431314046
oct24021676634
96841811078
102689039772
11115a990421
12630679338
1333b149ac3
141b71bca96
1510b11c7d2
hexa0477d9c

2689039772 has 12 divisors (see below), whose sum is σ = 4706451456. Its totient is φ = 1344339360.

The previous prime is 2689039693. The next prime is 2689039777. The reversal of 2689039772 is 2779309862.

2689039772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689039777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8273 + ... + 73800.

It is an arithmetic number, because the mean of its divisors is an integer number (392204288).

Almost surely, 22689039772 is an apocalyptic number.

It is an amenable number.

2689039772 is a deficient number, since it is larger than the sum of its proper divisors (2017411684).

2689039772 is a wasteful number, since it uses less digits than its factorization.

2689039772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90268 (or 90266 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 2689039772 is about 51855.9521366641. The cubic root of 2689039772 is about 1390.5899143659.

The spelling of 2689039772 in words is "two billion, six hundred eighty-nine million, thirty-nine thousand, seven hundred seventy-two".

Divisors: 1 2 4 8191 16382 32764 82073 164146 328292 672259943 1344519886 2689039772