Search a number
-
+
834806380 = 225233179143
BaseRepresentation
bin110001110000100…
…010001001101100
32011011211120001211
4301300202021230
53202202301010
6214500444204
726454510562
oct6160421154
92134746054
10834806380
11399254431
121b36a9664
13103c4b795
147cc29a32
154d45008a
hex31c2226c

834806380 has 24 divisors (see below), whose sum is σ = 1760627232. Its totient is φ = 332487552.

The previous prime is 834806377. The next prime is 834806387. The reversal of 834806380 is 83608438.

It is a happy number.

It is a super-3 number, since 3×8348063803 (a number of 28 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (834806387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84912 + ... + 94231.

It is an arithmetic number, because the mean of its divisors is an integer number (73359468).

Almost surely, 2834806380 is an apocalyptic number.

It is an amenable number.

834806380 is an abundant number, since it is smaller than the sum of its proper divisors (925820852).

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

834806380 is a wasteful number, since it uses less digits than its factorization.

834806380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179385 (or 179383 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 834806380 is about 28893.0161111643. The cubic root of 834806380 is about 941.5901784881.

The spelling of 834806380 in words is "eight hundred thirty-four million, eight hundred six thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 233 466 932 1165 2330 4660 179143 358286 716572 895715 1791430 3582860 41740319 83480638 166961276 208701595 417403190 834806380