Search a number
-
+
233920906 = 25313271663
BaseRepresentation
bin11011111000101…
…01100110001010
3121022011102011021
431330111212022
5434340432111
635113423054
75540203102
oct1574254612
9538142137
10233920906
1111005126a
126640aa8a
1339602b4b
14230d2202
1515809d71
hexdf1598a

233920906 has 16 divisors (see below), whose sum is σ = 357986304. Its totient is φ = 114598224.

The previous prime is 233920891. The next prime is 233920937. The reversal of 233920906 is 609029332.

It is a super-3 number, since 3×2339209063 (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139831 + ... + 141493.

It is an arithmetic number, because the mean of its divisors is an integer number (22374144).

Almost surely, 2233920906 is an apocalyptic number.

233920906 is a deficient number, since it is larger than the sum of its proper divisors (124065398).

233920906 is a wasteful number, since it uses less digits than its factorization.

233920906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045.

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

The square root of 233920906 is about 15294.4730540153. The cubic root of 233920906 is about 616.1545772895.

The spelling of 233920906 in words is "two hundred thirty-three million, nine hundred twenty thousand, nine hundred six".

Divisors: 1 2 53 106 1327 1663 2654 3326 70331 88139 140662 176278 2206801 4413602 116960453 233920906