Search a number
-
+
2689545948 = 223274181769
BaseRepresentation
bin1010000001001111…
…0011011011011100
320221102212002102220
42200103303123130
521002010432243
61122514145340
7123435522555
oct24023633334
96842762386
102689545948
1111601a6751
12630882250
1333b29630b
141b72b132c
1510b1bc783
hexa04f36dc

2689545948 has 24 divisors (see below), whose sum is σ = 6277973520. Its totient is φ = 896177280.

The previous prime is 2689545923. The next prime is 2689545949. The reversal of 2689545948 is 8495459862.

2689545948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2689545891 and 2689545900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689545949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7993 + ... + 73776.

It is an arithmetic number, because the mean of its divisors is an integer number (261582230).

Almost surely, 22689545948 is an apocalyptic number.

It is an amenable number.

2689545948 is an abundant number, since it is smaller than the sum of its proper divisors (3588427572).

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

2689545948 is a wasteful number, since it uses less digits than its factorization.

2689545948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84517 (or 84515 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 60.

The square root of 2689545948 is about 51860.8325039234. The cubic root of 2689545948 is about 1390.6771622486.

The spelling of 2689545948 in words is "two billion, six hundred eighty-nine million, five hundred forty-five thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 12 2741 5482 8223 10964 16446 32892 81769 163538 245307 327076 490614 981228 224128829 448257658 672386487 896515316 1344772974 2689545948