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38452320 = 253552343
BaseRepresentation
bin1001001010101…
…1110001100000
32200100120200000
42102223301200
534320433240
63452100000
7644560614
oct222536140
980316600
1038452320
111a783885
1210a64600
137c7426a
14516d344
153598430
hex24abc60

38452320 has 288 divisors, whose sum is σ = 145297152. Its totient is φ = 9580032.

The previous prime is 38452319. The next prime is 38452339. The reversal of 38452320 is 2325483.

It is a tau number, because it is divible by the number of its divisors (288).

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

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 47 ways as a sum of consecutive naturals, for example, 894219 + ... + 894261.

It is an arithmetic number, because the mean of its divisors is an integer number (504504).

Almost surely, 238452320 is an apocalyptic number.

38452320 is a gapful number since it is divisible by the number (30) 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 38452320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72648576).

38452320 is an abundant number, since it is smaller than the sum of its proper divisors (106844832).

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

38452320 is a wasteful number, since it uses less digits than its factorization.

38452320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 38452320 is about 6200.9934687919. The cubic root of 38452320 is about 337.5262201851.

The spelling of 38452320 in words is "thirty-eight million, four hundred fifty-two thousand, three hundred twenty".