Search a number
-
+
312164552 = 2375574367
BaseRepresentation
bin10010100110110…
…100000011001000
3210202101121021002
4102212310003020
51114403231202
650550434132
710510232510
oct2246640310
9722347232
10312164552
11150232937
1288662948
134c89996b
142d65c840
151c613302
hex129b40c8

312164552 has 16 divisors (see below), whose sum is σ = 668924160. Its totient is φ = 133784784.

The previous prime is 312164551. The next prime is 312164599. The reversal of 312164552 is 255461213.

312164552 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 (312164551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2787128 + ... + 2787239.

It is an arithmetic number, because the mean of its divisors is an integer number (41807760).

Almost surely, 2312164552 is an apocalyptic number.

It is an amenable number.

312164552 is an abundant number, since it is smaller than the sum of its proper divisors (356759608).

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

312164552 is a wasteful number, since it uses less digits than its factorization.

312164552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574380 (or 5574376 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 312164552 is about 17668.1790799165. The cubic root of 312164552 is about 678.3615049598.

The spelling of 312164552 in words is "three hundred twelve million, one hundred sixty-four thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 5574367 11148734 22297468 39020569 44594936 78041138 156082276 312164552