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38424672 = 25331113311
BaseRepresentation
bin1001001010010…
…1000001100000
32200022011202000
42102211001200
534314042142
63451324000
7644414166
oct222450140
980264660
1038424672
111a765030
1210a50600
137c647c0
145163236
15359014c
hex24a5060

38424672 has 192 divisors, whose sum is σ = 132088320. Its totient is φ = 10713600.

The previous prime is 38424649. The next prime is 38424689. The reversal of 38424672 is 27642483.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123397 + ... + 123707.

It is an arithmetic number, because the mean of its divisors is an integer number (687960).

Almost surely, 238424672 is an apocalyptic number.

38424672 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 38424672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66044160).

38424672 is an abundant number, since it is smaller than the sum of its proper divisors (93663648).

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

38424672 is a wasteful number, since it uses less digits than its factorization.

38424672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 340 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 38424672 is about 6198.7637477162. The cubic root of 38424672 is about 337.4453047168.

The spelling of 38424672 in words is "thirty-eight million, four hundred twenty-four thousand, six hundred seventy-two".