Search a number
-
+
312542764 = 2278135691
BaseRepresentation
bin10010101000010…
…000011000101100
3210210002211001221
4102220100120230
51120002332024
651002513124
710513366252
oct2250203054
9723084057
10312542764
11150471006
12888057a4
134c99cb61
142d71a5d2
151c68a3e4
hex12a1062c

312542764 has 6 divisors (see below), whose sum is σ = 546949844. Its totient is φ = 156271380.

The previous prime is 312542731. The next prime is 312542767. The reversal of 312542764 is 467245213.

312542764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (312542767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39067842 + ... + 39067849.

Almost surely, 2312542764 is an apocalyptic number.

It is an amenable number.

312542764 is a deficient number, since it is larger than the sum of its proper divisors (234407080).

312542764 is a wasteful number, since it uses less digits than its factorization.

312542764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78135695 (or 78135693 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 312542764 is about 17678.8790368620. The cubic root of 312542764 is about 678.6353572315.

Adding to 312542764 its reverse (467245213), we get a palindrome (779787977).

The spelling of 312542764 in words is "three hundred twelve million, five hundred forty-two thousand, seven hundred sixty-four".

Divisors: 1 2 4 78135691 156271382 312542764