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38472320 = 275471279
BaseRepresentation
bin1001001011000…
…0101010000000
32200101121002202
42102300222000
534322103240
63452332332
7645003125
oct222605200
980347082
1038472320
111a797907
1210a740a8
137c803b3
14517674c
15359e315
hex24b0a80

38472320 has 64 divisors (see below), whose sum is σ = 94003200. Its totient is φ = 15049728.

The previous prime is 38472311. The next prime is 38472331. The reversal of 38472320 is 2327483.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29441 + ... + 30719.

It is an arithmetic number, because the mean of its divisors is an integer number (1468800).

Almost surely, 238472320 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 38472320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47001600).

38472320 is an abundant number, since it is smaller than the sum of its proper divisors (55530880).

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

38472320 is a wasteful number, since it uses less digits than its factorization.

38472320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1333 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 38472320 is about 6202.6059039729. The cubic root of 38472320 is about 337.5847286130.

The spelling of 38472320 in words is "thirty-eight million, four hundred seventy-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 47 64 80 94 128 160 188 235 320 376 470 640 752 940 1279 1504 1880 2558 3008 3760 5116 6016 6395 7520 10232 12790 15040 20464 25580 30080 40928 51160 60113 81856 102320 120226 163712 204640 240452 300565 409280 480904 601130 818560 961808 1202260 1923616 2404520 3847232 4809040 7694464 9618080 19236160 38472320