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38300000 = 2555383
BaseRepresentation
bin1001001000011…
…0100101100000
32200001211201112
42102012211200
534301100000
63444522452
7643354544
oct222064540
980054645
1038300000
111a68a3a2
12109b0428
137c1cb2b
14512da24
153568235
hex2486960

38300000 has 72 divisors (see below), whose sum is σ = 94493952. Its totient is φ = 15280000.

The previous prime is 38299999. The next prime is 38300011. The reversal of 38300000 is 383.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99809 + ... + 100191.

It is an arithmetic number, because the mean of its divisors is an integer number (1312416).

Almost surely, 238300000 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 38300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47246976).

38300000 is an abundant number, since it is smaller than the sum of its proper divisors (56193952).

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

38300000 is an frugal number, since it uses more digits than its factorization.

38300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 38300000 is about 6188.6993787063. The cubic root of 38300000 is about 337.0799529704.

Adding to 38300000 its reverse (383), we get a palindrome (38300383).

38300000 divided by its reverse (383) gives a 5-th power (100000 = 105).

The spelling of 38300000 in words is "thirty-eight million, three hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 383 400 500 625 766 800 1000 1250 1532 1915 2000 2500 3064 3125 3830 4000 5000 6128 6250 7660 9575 10000 12256 12500 15320 19150 20000 25000 30640 38300 47875 50000 61280 76600 95750 100000 153200 191500 239375 306400 383000 478750 766000 957500 1196875 1532000 1915000 2393750 3830000 4787500 7660000 9575000 19150000 38300000