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38230112 = 255920249
BaseRepresentation
bin1001000111010…
…1100001100000
32122221021212002
42101311201200
534241330422
63443223132
7642644024
oct221654140
978837762
1038230112
111a641938
1210977aa8
137bc708b
145112384
153552692
hex2475860

38230112 has 24 divisors (see below), whose sum is σ = 76545000. Its totient is φ = 18790144.

The previous prime is 38230111. The next prime is 38230189. The reversal of 38230112 is 21103283.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38230111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8237 + ... + 12012.

It is an arithmetic number, because the mean of its divisors is an integer number (3189375).

Almost surely, 238230112 is an apocalyptic number.

38230112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38230112 is an abundant number, since it is smaller than the sum of its proper divisors (38314888).

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

38230112 is a wasteful number, since it uses less digits than its factorization.

38230112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20318 (or 20310 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 38230112 is about 6183.0503798691. The cubic root of 38230112 is about 336.8747990333.

Adding to 38230112 its reverse (21103283), we get a palindrome (59333395).

The spelling of 38230112 in words is "thirty-eight million, two hundred thirty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 59 118 236 472 944 1888 20249 40498 80996 161992 323984 647968 1194691 2389382 4778764 9557528 19115056 38230112