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439144272 = 24327317523
BaseRepresentation
bin11010001011001…
…100111101010000
31010121022211200200
4122023030331100
51344410104042
6111324215200
713611444000
oct3213147520
91117284620
10439144272
11205981656
1210309a500
136cc987a8
1442474000
1528846c4c
hex1a2ccf50

439144272 has 240 divisors, whose sum is σ = 1520438400. Its totient is φ = 117863424.

The previous prime is 439144259. The next prime is 439144291. The reversal of 439144272 is 272441934.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 839403 + ... + 839925.

It is an arithmetic number, because the mean of its divisors is an integer number (6335160).

Almost surely, 2439144272 is an apocalyptic number.

439144272 is a gapful number since it is divisible by the number (42) 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 439144272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (760219200).

439144272 is an abundant number, since it is smaller than the sum of its proper divisors (1081294128).

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

439144272 is a wasteful number, since it uses less digits than its factorization.

439144272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 552 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 439144272 is about 20955.7694203768. The cubic root of 439144272 is about 760.0970974743.

The spelling of 439144272 in words is "four hundred thirty-nine million, one hundred forty-four thousand, two hundred seventy-two".