Search a number
-
+
313443434 = 21489105253
BaseRepresentation
bin10010101011101…
…100010001101010
3210211210120120002
4102223230101222
51120220142214
651034103002
710524140153
oct2253542152
9724716502
10313443434
11150a26767
1288b7aa62
134cc26ab5
142d8b292a
151c7b71de
hex12aec46a

313443434 has 8 divisors (see below), whose sum is σ = 470485380. Its totient is φ = 156614976.

The previous prime is 313443419. The next prime is 313443439. The reversal of 313443434 is 434344313.

313443434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 262278025 + 51165409 = 16195^2 + 7153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 313443397 and 313443406.

It is not an unprimeable number, because it can be changed into a prime (313443439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49649 + ... + 55604.

Almost surely, 2313443434 is an apocalyptic number.

313443434 is a deficient number, since it is larger than the sum of its proper divisors (157041946).

313443434 is a wasteful number, since it uses less digits than its factorization.

313443434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106744.

The product of its digits is 20736, while the sum is 29.

The square root of 313443434 is about 17704.3337632344. Note that the first 3 decimals coincide. The cubic root of 313443434 is about 679.2866177754.

Adding to 313443434 its reverse (434344313), we get a palindrome (747787747).

The spelling of 313443434 in words is "three hundred thirteen million, four hundred forty-three thousand, four hundred thirty-four".

Divisors: 1 2 1489 2978 105253 210506 156721717 313443434