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38970288 = 243373263
BaseRepresentation
bin1001010010101…
…0001110110000
32201022220012000
42110222032300
534434022123
63511134000
7652146000
oct224521660
981286160
1038970288
111aaa7a55
1211074300
1380c5c56
145266000
15364bb43
hex252a3b0

38970288 has 160 divisors (see below), whose sum is σ = 130944000. Its totient is φ = 11092032.

The previous prime is 38970263. The next prime is 38970289. The reversal of 38970288 is 88207983.

It is not an unprimeable number, because it can be changed into a prime (38970289) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 148045 + ... + 148307.

It is an arithmetic number, because the mean of its divisors is an integer number (818400).

Almost surely, 238970288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38970288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65472000).

38970288 is an abundant number, since it is smaller than the sum of its proper divisors (91973712).

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

38970288 is a wasteful number, since it uses less digits than its factorization.

38970288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 38970288 is about 6242.6186812907. The cubic root of 38970288 is about 339.0350030424.

The spelling of 38970288 in words is "thirty-eight million, nine hundred seventy thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 49 54 56 63 72 84 98 108 112 126 144 147 168 189 196 216 252 263 294 336 343 378 392 432 441 504 526 588 686 756 784 789 882 1008 1029 1052 1176 1323 1372 1512 1578 1764 1841 2058 2104 2352 2367 2646 2744 3024 3087 3156 3528 3682 4116 4208 4734 5292 5488 5523 6174 6312 7056 7101 7364 8232 9261 9468 10584 11046 12348 12624 12887 14202 14728 16464 16569 18522 18936 21168 22092 24696 25774 28404 29456 33138 37044 37872 38661 44184 49392 49707 51548 56808 66276 74088 77322 88368 90209 99414 103096 113616 115983 132552 148176 154644 180418 198828 206192 231966 265104 270627 309288 347949 360836 397656 463932 541254 618576 695898 721672 795312 811881 927864 1082508 1391796 1443344 1623762 1855728 2165016 2435643 2783592 3247524 4330032 4871286 5567184 6495048 9742572 12990096 19485144 38970288