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38268120 = 23351153547
BaseRepresentation
bin1001000111111…
…0110011011000
32200000012222210
42101332303120
534244034440
63444115120
7643162602
oct221766330
980005883
1038268120
111a668450
1210995aa0
137c0b477
145122172
15355da80
hex247ecd8

38268120 has 128 divisors (see below), whose sum is σ = 127837440. Its totient is φ = 9085440.

The previous prime is 38268103. The next prime is 38268121. The reversal of 38268120 is 2186283.

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 (38268121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69687 + ... + 70233.

It is an arithmetic number, because the mean of its divisors is an integer number (998730).

Almost surely, 238268120 is an apocalyptic number.

38268120 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 38268120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63918720).

38268120 is an abundant number, since it is smaller than the sum of its proper divisors (89569320).

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

38268120 is a wasteful number, since it uses less digits than its factorization.

38268120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 38268120 is about 6186.1231801509. The cubic root of 38268120 is about 336.9864012569.

The spelling of 38268120 in words is "thirty-eight million, two hundred sixty-eight thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 53 55 60 66 88 106 110 120 132 159 165 212 220 264 265 318 330 424 440 530 547 583 636 660 795 1060 1094 1166 1272 1320 1590 1641 1749 2120 2188 2332 2735 2915 3180 3282 3498 4376 4664 5470 5830 6017 6360 6564 6996 8205 8745 10940 11660 12034 13128 13992 16410 17490 18051 21880 23320 24068 28991 30085 32820 34980 36102 48136 57982 60170 65640 69960 72204 86973 90255 115964 120340 144408 144955 173946 180510 231928 240680 289910 318901 347892 361020 434865 579820 637802 695784 722040 869730 956703 1159640 1275604 1594505 1739460 1913406 2551208 3189010 3478920 3826812 4783515 6378020 7653624 9567030 12756040 19134060 38268120