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38238750 = 2335411103
BaseRepresentation
bin1001000111011…
…1101000011110
32122221201201000
42101313220132
534242120000
63443331130
7643011144
oct221675036
978851630
1038238750
111a648380
1210980aa6
137bcaca4
145115594
153555000
hex2477a1e

38238750 has 160 divisors (see below), whose sum is σ = 116962560. Its totient is φ = 9180000.

The previous prime is 38238749. The next prime is 38238757. The reversal of 38238750 is 5783283.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38238757) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 371199 + ... + 371301.

It is an arithmetic number, because the mean of its divisors is an integer number (731016).

Almost surely, 238238750 is an apocalyptic number.

38238750 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 38238750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58481280).

38238750 is an abundant number, since it is smaller than the sum of its proper divisors (78723810).

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

38238750 is a wasteful number, since it uses less digits than its factorization.

38238750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 38238750 is about 6183.7488629471. The cubic root of 38238750 is about 336.9001691341.

The spelling of 38238750 in words is "thirty-eight million, two hundred thirty-eight thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 25 27 30 33 45 50 54 55 66 75 90 99 103 110 125 135 150 165 198 206 225 250 270 275 297 309 330 375 450 495 515 550 594 618 625 675 750 825 927 990 1030 1125 1133 1250 1350 1375 1485 1545 1650 1854 1875 2250 2266 2475 2575 2750 2781 2970 3090 3375 3399 3750 4125 4635 4950 5150 5562 5625 5665 6750 6798 6875 7425 7725 8250 9270 10197 11250 11330 12375 12875 13750 13905 14850 15450 16875 16995 20394 20625 23175 24750 25750 27810 28325 30591 33750 33990 37125 38625 41250 46350 50985 56650 61182 61875 64375 69525 74250 77250 84975 101970 115875 123750 128750 139050 141625 152955 169950 185625 193125 231750 254925 283250 305910 347625 371250 386250 424875 509850 579375 695250 708125 764775 849750 1158750 1274625 1416250 1529550 1738125 2124375 2549250 3476250 3823875 4248750 6373125 7647750 12746250 19119375 38238750