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38440968 = 233431932
BaseRepresentation
bin1001001010100…
…1000000001000
32200100000002120
42102221000020
534320102333
63451531240
7644512536
oct222510010
980300076
1038440968
111a7762a5
1210a59b20
137c6c047
145169156
153594db3
hex24a9008

38440968 has 48 divisors (see below), whose sum is σ = 98849520. Its totient is φ = 12450816.

The previous prime is 38440949. The next prime is 38440991. The reversal of 38440968 is 86904483.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199080 + ... + 199272.

It is an arithmetic number, because the mean of its divisors is an integer number (2059365).

Almost surely, 238440968 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 38440968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49424760).

38440968 is an abundant number, since it is smaller than the sum of its proper divisors (60408552).

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

38440968 is a wasteful number, since it uses less digits than its factorization.

38440968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 38440968 is about 6200.0780640247. The cubic root of 38440968 is about 337.4930017753.

The spelling of 38440968 in words is "thirty-eight million, four hundred forty thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 43 86 129 172 193 258 344 386 516 579 772 1032 1158 1544 2316 4632 8299 16598 24897 33196 37249 49794 66392 74498 99588 111747 148996 199176 223494 297992 446988 893976 1601707 3203414 4805121 6406828 9610242 12813656 19220484 38440968