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38427312 = 24371137281
BaseRepresentation
bin1001001010010…
…1101010110000
32200022022100210
42102211222300
534314133222
63451344120
7644424660
oct222455260
980268323
1038427312
111a767010
1210a52040
137c65a71
1451641a0
153590d0c
hex24a5ab0

38427312 has 160 divisors (see below), whose sum is σ = 127563264. Its totient is φ = 9676800.

The previous prime is 38427299. The next prime is 38427317. The reversal of 38427312 is 21372483.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 38427312.

It is not an unprimeable number, because it can be changed into a prime (38427317) 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, 136612 + ... + 136892.

Almost surely, 238427312 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 38427312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63781632).

38427312 is an abundant number, since it is smaller than the sum of its proper divisors (89135952).

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

38427312 is a wasteful number, since it uses less digits than its factorization.

38427312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 341 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 38427312 is about 6198.9766897448. The cubic root of 38427312 is about 337.4530326960.

Adding to 38427312 its reverse (21372483), we get a palindrome (59799795).

It can be divided in two parts, 38 and 427312, that added together give a triangular number (427350 = T924).

The spelling of 38427312 in words is "thirty-eight million, four hundred twenty-seven thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 37 42 44 48 56 66 74 77 84 88 111 112 132 148 154 168 176 222 231 259 264 281 296 308 336 407 444 462 518 528 562 592 616 777 814 843 888 924 1036 1124 1221 1232 1554 1628 1686 1776 1848 1967 2072 2248 2442 2849 3091 3108 3256 3372 3696 3934 4144 4496 4884 5698 5901 6182 6216 6512 6744 7868 8547 9273 9768 10397 11396 11802 12364 12432 13488 15736 17094 18546 19536 20794 21637 22792 23604 24728 31191 31472 34188 37092 41588 43274 45584 47208 49456 62382 64911 68376 72779 74184 83176 86548 94416 114367 124764 129822 136752 145558 148368 166352 173096 218337 228734 249528 259644 291116 343101 346192 436674 457468 499056 519288 582232 686202 800569 873348 914936 1038576 1164464 1372404 1601138 1746696 1829872 2401707 2744808 3202276 3493392 4803414 5489616 6404552 9606828 12809104 19213656 38427312