Search a number
-
+
2790689746 = 213107334221
BaseRepresentation
bin1010011001010110…
…1000101111010010
321012111011201122111
42212111220233102
521203404032441
61140530055534
7126104320465
oct24625505722
97174151574
102790689746
1112022a9569
1265a71a5aa
1335621a610
141c68bd2dc
15114eeb081
hexa6568bd2

2790689746 has 8 divisors (see below), whose sum is σ = 4508037324. Its totient is φ = 1288010640.

The previous prime is 2790689743. The next prime is 2790689747. The reversal of 2790689746 is 6479860972.

2790689746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1954612521 + 836077225 = 44211^2 + 28915^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2790689743) 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, 53667085 + ... + 53667136.

Almost surely, 22790689746 is an apocalyptic number.

2790689746 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2790689746 is a deficient number, since it is larger than the sum of its proper divisors (1717347578).

2790689746 is a wasteful number, since it uses less digits than its factorization.

2790689746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107334236.

The product of its (nonzero) digits is 9144576, while the sum is 58.

The square root of 2790689746 is about 52826.9793382132. The cubic root of 2790689746 is about 1407.8958178903.

The spelling of 2790689746 in words is "two billion, seven hundred ninety million, six hundred eighty-nine thousand, seven hundred forty-six".

Divisors: 1 2 13 26 107334221 214668442 1395344873 2790689746