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38132100 = 22335229487
BaseRepresentation
bin1001000101110…
…1100110000100
32122202022102000
42101131212010
534230211400
63441145300
7642055206
oct221354604
978668360
1038132100
111a585236
121092b230
137b91596
1450c8776
153533600
hex245d984

38132100 has 144 divisors (see below), whose sum is σ = 127075200. Its totient is φ = 9797760.

The previous prime is 38132093. The next prime is 38132123. The reversal of 38132100 is 123183.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 78057 + ... + 78543.

Almost surely, 238132100 is an apocalyptic number.

38132100 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 38132100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63537600).

38132100 is an abundant number, since it is smaller than the sum of its proper divisors (88943100).

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

38132100 is a wasteful number, since it uses less digits than its factorization.

38132100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 38132100 is about 6175.1194320434. The cubic root of 38132100 is about 336.5866663927.

Adding to 38132100 its reverse (123183), we get a palindrome (38255283).

The spelling of 38132100 in words is "thirty-eight million, one hundred thirty-two thousand, one hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 27 29 30 36 45 50 54 58 60 75 87 90 100 108 116 135 145 150 174 180 225 261 270 290 300 348 435 450 487 522 540 580 675 725 783 870 900 974 1044 1305 1350 1450 1461 1566 1740 1948 2175 2435 2610 2700 2900 2922 3132 3915 4350 4383 4870 5220 5844 6525 7305 7830 8700 8766 9740 12175 13050 13149 14123 14610 15660 17532 19575 21915 24350 26100 26298 28246 29220 36525 39150 42369 43830 48700 52596 56492 65745 70615 73050 78300 84738 87660 109575 127107 131490 141230 146100 169476 211845 219150 254214 262980 282460 328725 353075 381321 423690 438300 508428 635535 657450 706150 762642 847380 1059225 1271070 1314900 1412300 1525284 1906605 2118450 2542140 3177675 3813210 4236900 6355350 7626420 9533025 12710700 19066050 38132100