Search a number
-
+
685902226 = 2379268949
BaseRepresentation
bin101000111000100…
…000100110010010
31202210122102222011
4220320200212102
52401042332401
6152021133134
722666033642
oct5070404622
91683572864
10685902226
113221a0549
1217185a1aa
13ac144609
1467148522
154033a451
hex28e20992

685902226 has 8 divisors (see below), whose sum is σ = 1056660300. Its totient is φ = 333682128.

The previous prime is 685902209. The next prime is 685902257. The reversal of 685902226 is 622209586.

It can be written as a sum of positive squares in 2 ways, for example, as 545456025 + 140446201 = 23355^2 + 11851^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 4634401 + ... + 4634548.

Almost surely, 2685902226 is an apocalyptic number.

685902226 is a deficient number, since it is larger than the sum of its proper divisors (370758074).

685902226 is a wasteful number, since it uses less digits than its factorization.

685902226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9268988.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 685902226 is about 26189.7351265720. The cubic root of 685902226 is about 881.9028324183.

The spelling of 685902226 in words is "six hundred eighty-five million, nine hundred two thousand, two hundred twenty-six".

Divisors: 1 2 37 74 9268949 18537898 342951113 685902226