Search a number
-
+
38009401600 = 285224372
BaseRepresentation
bin100011011001100010…
…010111000100000000
310122002221101122211211
4203121202113010000
51110320401322400
625243345215504
72513623403632
oct433142270400
9118087348754
1038009401600
1115135352aa5
127449331594
13377984a5a1
141ba807ca52
15ec6d7edba
hex8d9897100

38009401600 has 81 divisors (see below), whose sum is σ = 94117828287. Its totient is φ = 15197521920.

The previous prime is 38009401589. The next prime is 38009401627. The reversal of 38009401600 is 610490083.

The square root of 38009401600 is 194960.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5758988544 + 32250413056 = 75888^2 + 179584^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15595582 + ... + 15598018.

Almost surely, 238009401600 is an apocalyptic number.

38009401600 is the 194960-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38009401600

38009401600 is an abundant number, since it is smaller than the sum of its proper divisors (56108426687).

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

38009401600 is an frugal number, since it uses more digits than its factorization.

38009401600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4900 (or 2444 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

Multiplying 38009401600 by its product of nonzero digits (5184), we get a square (197040737894400 = 140371202).

Adding to 38009401600 its reverse (610490083), we get a palindrome (38619891683).

The spelling of 38009401600 in words is "thirty-eight billion, nine million, four hundred one thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 640 800 1280 1600 2437 3200 4874 6400 9748 12185 19496 24370 38992 48740 60925 77984 97480 121850 155968 194960 243700 311936 389920 487400 623872 779840 974800 1559680 1949600 3119360 3899200 5938969 7798400 11877938 15596800 23755876 29694845 47511752 59389690 95023504 118779380 148474225 190047008 237558760 296948450 380094016 475117520 593896900 760188032 950235040 1187793800 1520376064 1900470080 2375587600 3800940160 4751175200 7601880320 9502350400 19004700800 38009401600