Search a number
-
+
312534434 = 21433109049
BaseRepresentation
bin10010101000001…
…110010110100010
3210210002101122102
4102220032112202
51120002100214
651002410402
710513333052
oct2250162642
9723071572
10312534434
11150465823
1288800a02
134c999124
142d717562
151c687bde
hex12a0e5a2

312534434 has 8 divisors (see below), whose sum is σ = 469133100. Its totient is φ = 156156736.

The previous prime is 312534413. The next prime is 312534437. The reversal of 312534434 is 434435213.

312534434 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 299393809 + 13140625 = 17303^2 + 3625^2 .

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 = 312534397 and 312534406.

It is not an unprimeable number, because it can be changed into a prime (312534437) 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, 51659 + ... + 57390.

Almost surely, 2312534434 is an apocalyptic number.

312534434 is a deficient number, since it is larger than the sum of its proper divisors (156598666).

312534434 is a wasteful number, since it uses less digits than its factorization.

312534434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110484.

The product of its digits is 17280, while the sum is 29.

The square root of 312534434 is about 17678.6434434320. The cubic root of 312534434 is about 678.6293281016.

Adding to 312534434 its reverse (434435213), we get a palindrome (746969647).

The spelling of 312534434 in words is "three hundred twelve million, five hundred thirty-four thousand, four hundred thirty-four".

Divisors: 1 2 1433 2866 109049 218098 156267217 312534434