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475631312 = 241313916451
BaseRepresentation
bin11100010110011…
…000111011010000
31020010222120111112
4130112120323100
51433230200222
6115110232452
714533541132
oct3426307320
91203876445
10475631312
11224532932
12113355728
1377702360
1447251052
152bb52be2
hex1c598ed0

475631312 has 40 divisors (see below), whose sum is σ = 999623520. Its totient is φ = 217929600.

The previous prime is 475631311. The next prime is 475631339. The reversal of 475631312 is 213136574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475631311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20687 + ... + 37137.

It is an arithmetic number, because the mean of its divisors is an integer number (24990588).

Almost surely, 2475631312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475631312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499811760).

475631312 is an abundant number, since it is smaller than the sum of its proper divisors (523992208).

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

475631312 is a wasteful number, since it uses less digits than its factorization.

475631312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16611 (or 16605 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 475631312 is about 21808.9731991215. The cubic root of 475631312 is about 780.5908912869.

Adding to 475631312 its reverse (213136574), we get a palindrome (688767886).

The spelling of 475631312 in words is "four hundred seventy-five million, six hundred thirty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 13 16 26 52 104 139 208 278 556 1112 1807 2224 3614 7228 14456 16451 28912 32902 65804 131608 213863 263216 427726 855452 1710904 2286689 3421808 4573378 9146756 18293512 29726957 36587024 59453914 118907828 237815656 475631312