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317272032 = 253371119251
BaseRepresentation
bin10010111010010…
…010111111100000
3211010000002102000
4102322102333200
51122210201112
651252124000
710601524230
oct2272227740
9733002360
10317272032
111531011a0
128a306600
135096763c
14301cbcc0
151ccc17dc
hex12e92fe0

317272032 has 384 divisors, whose sum is σ = 1219276800. Its totient is φ = 77760000.

The previous prime is 317272031. The next prime is 317272069. The reversal of 317272032 is 230272713.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 317271987 and 317272005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317272031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1263907 + ... + 1264157.

It is an arithmetic number, because the mean of its divisors is an integer number (3175200).

Almost surely, 2317272032 is an apocalyptic number.

317272032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317272032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (609638400).

317272032 is an abundant number, since it is smaller than the sum of its proper divisors (902004768).

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

317272032 is a wasteful number, since it uses less digits than its factorization.

317272032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 317272032 is about 17812.1315961903. The cubic root of 317272032 is about 682.0411793632.

The spelling of 317272032 in words is "three hundred seventeen million, two hundred seventy-two thousand, thirty-two".