Search a number
-
+
34813640 = 235870341
BaseRepresentation
bin1000010011001…
…1011011001000
32102111201100002
42010303123020
532403014030
63242102132
7601624331
oct204633310
972451302
1034813640
1118719004
12b7aa948
13729bcb4
1448a3288
1530ca245
hex21336c8

34813640 has 16 divisors (see below), whose sum is σ = 78330780. Its totient is φ = 13925440.

The previous prime is 34813631. The next prime is 34813663. The reversal of 34813640 is 4631843.

It can be written as a sum of positive squares in 2 ways, for example, as 33616804 + 1196836 = 5798^2 + 1094^2 .

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, 435131 + ... + 435210.

Almost surely, 234813640 is an apocalyptic number.

It is an amenable number.

34813640 is an abundant number, since it is smaller than the sum of its proper divisors (43517140).

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

34813640 is a wasteful number, since it uses less digits than its factorization.

34813640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870352 (or 870348 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 34813640 is about 5900.3084665126. The cubic root of 34813640 is about 326.5250299949.

It can be divided in two parts, 34813 and 640, that added together give a palindrome (35453).

The spelling of 34813640 in words is "thirty-four million, eight hundred thirteen thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 870341 1740682 3481364 4351705 6962728 8703410 17406820 34813640