Search a number
-
+
693120042 = 232231674203
BaseRepresentation
bin101001010100000…
…010110000101010
31210022020010221200
4221110002300222
52404414320132
6152435545030
723114265066
oct5124026052
91708203850
10693120042
1132628038a
1217415b176
13b07a0a04
14680a6aa6
1540cb3d7c
hex29502c2a

693120042 has 24 divisors (see below), whose sum is σ = 1567054944. Its totient is φ = 220994664.

The previous prime is 693120037. The next prime is 693120067. The reversal of 693120042 is 240021396.

It is a junction number, because it is equal to n+sod(n) for n = 693119988 and 693120015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 836688 + ... + 837515.

It is an arithmetic number, because the mean of its divisors is an integer number (65293956).

Almost surely, 2693120042 is an apocalyptic number.

693120042 is an abundant number, since it is smaller than the sum of its proper divisors (873934902).

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

693120042 is a wasteful number, since it uses less digits than its factorization.

693120042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674234 (or 1674231 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 693120042 is about 26327.1730727019. The cubic root of 693120042 is about 884.9854943519.

The spelling of 693120042 in words is "six hundred ninety-three million, one hundred twenty thousand, forty-two".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 1674203 3348406 5022609 10045218 15067827 30135654 38506669 77013338 115520007 231040014 346560021 693120042