Search a number
-
+
34909825 = 521396393
BaseRepresentation
bin1000010100101…
…0111010000001
32102200121021111
42011022322001
532414103300
63244123321
7602504626
oct205127201
972617244
1034909825
11187842a5
12b836541
137303a02
1448ca34d
1530e89ba
hex214ae81

34909825 has 6 divisors (see below), whose sum is σ = 43288214. Its totient is φ = 27927840.

The previous prime is 34909817. The next prime is 34909867. The reversal of 34909825 is 52890943.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 288369 + 34621456 = 537^2 + 5884^2 .

It is not a de Polignac number, because 34909825 - 23 = 34909817 is a prime.

It is a super-3 number, since 3×349098253 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 698172 + ... + 698221.

Almost surely, 234909825 is an apocalyptic number.

It is an amenable number.

34909825 is a deficient number, since it is larger than the sum of its proper divisors (8378389).

34909825 is a wasteful number, since it uses less digits than its factorization.

34909825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396403 (or 1396398 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 34909825 is about 5908.4536894182. The cubic root of 34909825 is about 326.8254671242.

The spelling of 34909825 in words is "thirty-four million, nine hundred nine thousand, eight hundred twenty-five".

Divisors: 1 5 25 1396393 6981965 34909825