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312772524 = 22326064377
BaseRepresentation
bin10010101001001…
…000011110101100
3210210112111020120
4102221020132230
51120032210044
651011444540
710515344151
oct2251103654
9723474216
10312772524
11150608699
12888b6750
134ca505cc
142d77a228
151c6d3519
hex12a487ac

312772524 has 12 divisors (see below), whose sum is σ = 729802584. Its totient is φ = 104257504.

The previous prime is 312772501. The next prime is 312772529. The reversal of 312772524 is 425277213.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (312772529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13032177 + ... + 13032200.

It is an arithmetic number, because the mean of its divisors is an integer number (60816882).

Almost surely, 2312772524 is an apocalyptic number.

It is an amenable number.

312772524 is an abundant number, since it is smaller than the sum of its proper divisors (417030060).

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

312772524 is a wasteful number, since it uses less digits than its factorization.

312772524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26064384 (or 26064382 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 312772524 is about 17685.3759926104. The cubic root of 312772524 is about 678.8016118855.

The spelling of 312772524 in words is "three hundred twelve million, seven hundred seventy-two thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 12 26064377 52128754 78193131 104257508 156386262 312772524