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38413800 = 23325221341
BaseRepresentation
bin1001001010001…
…0010111101000
32200021121211100
42102202113220
534313220200
63451201400
7644340405
oct222422750
980247740
1038413800
111a757947
1210a46260
137c5c879
14515d2ac
15358bd00
hex24a25e8

38413800 has 72 divisors (see below), whose sum is σ = 129012390. Its totient is φ = 10243200.

The previous prime is 38413789. The next prime is 38413819. The reversal of 38413800 is 831483.

It can be written as a sum of positive squares in 3 ways, for example, as 37234404 + 1179396 = 6102^2 + 1086^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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 17 ways as a sum of consecutive naturals, for example, 8871 + ... + 12470.

Almost surely, 238413800 is an apocalyptic number.

38413800 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38413800 is an abundant number, since it is smaller than the sum of its proper divisors (90598590).

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

38413800 is a wasteful number, since it uses less digits than its factorization.

38413800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21363 (or 21351 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 38413800 is about 6197.8867366224. The cubic root of 38413800 is about 337.4134757622.

The spelling of 38413800 in words is "thirty-eight million, four hundred thirteen thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 150 180 200 225 300 360 450 600 900 1800 21341 42682 64023 85364 106705 128046 170728 192069 213410 256092 320115 384138 426820 512184 533525 640230 768276 853640 960345 1067050 1280460 1536552 1600575 1920690 2134100 2560920 3201150 3841380 4268200 4801725 6402300 7682760 9603450 12804600 19206900 38413800