Search a number
-
+
680225029 = 111717332099
BaseRepresentation
bin101000100010110…
…110100100000101
31202101222000022121
4220202312210011
52343114200104
6151255325541
722566550231
oct5042664405
91671860277
10680225029
11319a73150
1216b9808b1
13aac07523
14664ab5c1
153eab8254
hex288b6905

680225029 has 16 divisors (see below), whose sum is σ = 786542400. Its totient is φ = 581397760.

The previous prime is 680225027. The next prime is 680225047. The reversal of 680225029 is 920522086.

It is a cyclic number.

It is not a de Polignac number, because 680225029 - 21 = 680225027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 680224985 and 680225003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680225027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323022 + ... + 325120.

It is an arithmetic number, because the mean of its divisors is an integer number (49158900).

Almost surely, 2680225029 is an apocalyptic number.

It is an amenable number.

680225029 is a deficient number, since it is larger than the sum of its proper divisors (106317371).

680225029 is a wasteful number, since it uses less digits than its factorization.

680225029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 680225029 is about 26081.1239980182. The cubic root of 680225029 is about 879.4629251242.

The spelling of 680225029 in words is "six hundred eighty million, two hundred twenty-five thousand, twenty-nine".

Divisors: 1 11 17 187 1733 2099 19063 23089 29461 35683 324071 392513 3637567 40013237 61838639 680225029