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311696472 = 23312987353
BaseRepresentation
bin10010100101000…
…001110001011000
3210201111211011210
4102211001301120
51114243241342
650532423120
710503243033
oct2245016130
9721454153
10311696472
1114aa4319a
1288477aa0
134c7648a9
142d57a01a
151c56e79c
hex12941c58

311696472 has 16 divisors (see below), whose sum is σ = 779241240. Its totient is φ = 103898816.

The previous prime is 311696467. The next prime is 311696503. The reversal of 311696472 is 274696113.

It is a self number, because there is not a number n which added to its sum of digits gives 311696472.

It is a congruent number.

It is an unprimeable number.

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, 6493653 + ... + 6493700.

Almost surely, 2311696472 is an apocalyptic number.

It is an amenable number.

311696472 is an abundant number, since it is smaller than the sum of its proper divisors (467544768).

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

311696472 is a wasteful number, since it uses less digits than its factorization.

311696472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12987362 (or 12987358 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 311696472 is about 17654.9276973881. The cubic root of 311696472 is about 678.0222754405.

The spelling of 311696472 in words is "three hundred eleven million, six hundred ninety-six thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 12987353 25974706 38962059 51949412 77924118 103898824 155848236 311696472