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38340750 = 2353767109
BaseRepresentation
bin1001001001000…
…0100010001110
32200010220121210
42102100202032
534303401000
63445435250
7643614420
oct222204216
980126553
1038340750
111a707a78
1210a0bb26
137c35546
145140810
153575350
hex249088e

38340750 has 128 divisors (see below), whose sum is σ = 112020480. Its totient is φ = 8553600.

The previous prime is 38340749. The next prime is 38340751. The reversal of 38340750 is 5704383.

It is an interprime number because it is at equal distance from previous prime (38340749) and next prime (38340751).

It is a super-2 number, since 2×383407502 = 2940026221125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38340751) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 351696 + ... + 351804.

It is an arithmetic number, because the mean of its divisors is an integer number (875160).

Almost surely, 238340750 is an apocalyptic number.

38340750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38340750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56010240).

38340750 is an abundant number, since it is smaller than the sum of its proper divisors (73679730).

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

38340750 is a wasteful number, since it uses less digits than its factorization.

38340750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 38340750 is about 6191.9907945668. The cubic root of 38340750 is about 337.1994581001.

The spelling of 38340750 in words is "thirty-eight million, three hundred forty thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 67 70 75 105 109 125 134 150 175 201 210 218 250 327 335 350 375 402 469 525 545 654 670 750 763 875 938 1005 1050 1090 1407 1526 1635 1675 1750 2010 2289 2345 2625 2725 2814 3270 3350 3815 4578 4690 5025 5250 5450 7035 7303 7630 8175 8375 10050 11445 11725 13625 14070 14606 16350 16750 19075 21909 22890 23450 25125 27250 35175 36515 38150 40875 43818 50250 51121 57225 58625 70350 73030 81750 95375 102242 109545 114450 117250 153363 175875 182575 190750 219090 255605 286125 306726 351750 365150 511210 547725 572250 766815 912875 1095450 1278025 1533630 1825750 2556050 2738625 3834075 5477250 6390125 7668150 12780250 19170375 38340750