Search a number
-
+
38230808 = 23711531171
BaseRepresentation
bin1001000111010…
…1101100011000
32122221022210212
42101311230120
534241341213
63443230252
7642646040
oct221655430
978838725
1038230808
111a642410
1210978388
137bc74a5
145112720
1535529a8
hex2475b18

38230808 has 64 divisors (see below), whose sum is σ = 91134720. Its totient is φ = 14601600.

The previous prime is 38230763. The next prime is 38230811. The reversal of 38230808 is 80803283.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32063 + ... + 33233.

It is an arithmetic number, because the mean of its divisors is an integer number (1423980).

Almost surely, 238230808 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 38230808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45567360).

38230808 is an abundant number, since it is smaller than the sum of its proper divisors (52903912).

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

38230808 is a wasteful number, since it uses less digits than its factorization.

38230808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248 (or 1244 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 38230808 is about 6183.1066625120. The cubic root of 38230808 is about 336.8768433506.

The spelling of 38230808 in words is "thirty-eight million, two hundred thirty thousand, eight hundred eight".

Divisors: 1 2 4 7 8 11 14 22 28 44 53 56 77 88 106 154 212 308 371 424 583 616 742 1166 1171 1484 2332 2342 2968 4081 4664 4684 8162 8197 9368 12881 16324 16394 25762 32648 32788 51524 62063 65576 90167 103048 124126 180334 248252 360668 434441 496504 682693 721336 868882 1365386 1737764 2730772 3475528 4778851 5461544 9557702 19115404 38230808