Search a number
-
+
693220039 = 1123617293
BaseRepresentation
bin101001010100011…
…011001011000111
31210022102020010021
4221110123023013
52404431020124
6152442040011
723115162451
oct5124331307
91708366107
10693220039
11326339526
121741a9007
13b0807395
14680d12d1
1540cd37e4
hex2951b2c7

693220039 has 4 divisors (see below), whose sum is σ = 693838456. Its totient is φ = 692601624.

The previous prime is 693219971. The next prime is 693220051. The reversal of 693220039 is 930022396.

693220039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 693220039 - 211 = 693217991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 693219986 and 693220013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693220079) 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, 307524 + ... + 309769.

It is an arithmetic number, because the mean of its divisors is an integer number (173459614).

Almost surely, 2693220039 is an apocalyptic number.

693220039 is a deficient number, since it is larger than the sum of its proper divisors (618417).

693220039 is a wasteful number, since it uses less digits than its factorization.

693220039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618416.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 693220039 is about 26329.0721256941. The cubic root of 693220039 is about 885.0280515011.

The spelling of 693220039 in words is "six hundred ninety-three million, two hundred twenty thousand, thirty-nine".

Divisors: 1 1123 617293 693220039