Search a number
-
+
345431300 = 22523454313
BaseRepresentation
bin10100100101101…
…101110100000100
3220001222201122212
4110211231310010
51201412300200
654135442552
711363055224
oct2445556404
9801881585
10345431300
11167a94715
1297826458
1356746826
1433c3c084
15204d5035
hex1496dd04

345431300 has 18 divisors (see below), whose sum is σ = 749586138. Its totient is φ = 138172480.

The previous prime is 345431291. The next prime is 345431311. The reversal of 345431300 is 3134543.

It can be written as a sum of positive squares in 3 ways, for example, as 46348864 + 299082436 = 6808^2 + 17294^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1727057 + ... + 1727256.

Almost surely, 2345431300 is an apocalyptic number.

It is an amenable number.

345431300 is an abundant number, since it is smaller than the sum of its proper divisors (404154838).

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

345431300 is a wasteful number, since it uses less digits than its factorization.

345431300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454327 (or 3454320 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 345431300 is about 18585.7822003810. The cubic root of 345431300 is about 701.6500529866.

Adding to 345431300 its reverse (3134543), we get a palindrome (348565843).

The spelling of 345431300 in words is "three hundred forty-five million, four hundred thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 3454313 6908626 13817252 17271565 34543130 69086260 86357825 172715650 345431300