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38305300 = 22521197359
BaseRepresentation
bin1001001000011…
…1111000010100
32200002002222211
42102013320110
534301232200
63445003204
7643406155
oct222077024
980062884
1038305300
111a693380
12109b3504
137c22377
14513192c
153569aba
hex2487e14

38305300 has 72 divisors (see below), whose sum is σ = 91869120. Its totient is φ = 13747200.

The previous prime is 38305297. The next prime is 38305313. The reversal of 38305300 is 350383.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 106521 + ... + 106879.

It is an arithmetic number, because the mean of its divisors is an integer number (1275960).

Almost surely, 238305300 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 38305300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45934560).

38305300 is an abundant number, since it is smaller than the sum of its proper divisors (53563820).

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

38305300 is a wasteful number, since it uses less digits than its factorization.

38305300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 38305300 is about 6189.1275637201. The cubic root of 38305300 is about 337.0955007629.

Adding to 38305300 its reverse (350383), we get a palindrome (38655683).

The spelling of 38305300 in words is "thirty-eight million, three hundred five thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 97 100 110 194 220 275 359 388 485 550 718 970 1067 1100 1436 1795 1940 2134 2425 3590 3949 4268 4850 5335 7180 7898 8975 9700 10670 15796 17950 19745 21340 26675 34823 35900 39490 53350 69646 78980 98725 106700 139292 174115 197450 348230 383053 394900 696460 766106 870575 1532212 1741150 1915265 3482300 3830530 7661060 9576325 19152650 38305300