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38225470 = 2510137847
BaseRepresentation
bin1001000111010…
…0011000111110
32122221001111011
42101310120332
534241203340
63443145434
7642624343
oct221643076
978831434
1038225470
111a6393a8
121097527a
137bc4c2a
1451107ca
1535510ea
hex247463e

38225470 has 16 divisors (see below), whose sum is σ = 69488928. Its totient is φ = 15138400.

The previous prime is 38225459. The next prime is 38225479. The reversal of 38225470 is 7452283.

38225470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×382254702 = 2922373113441800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38225479) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17914 + ... + 19933.

It is an arithmetic number, because the mean of its divisors is an integer number (4343058).

Almost surely, 238225470 is an apocalyptic number.

38225470 is a deficient number, since it is larger than the sum of its proper divisors (31263458).

38225470 is a wasteful number, since it uses less digits than its factorization.

38225470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37955.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 38225470 is about 6182.6749874144. The cubic root of 38225470 is about 336.8611637423.

It can be divided in two parts, 382 and 25470, that added together give a palindrome (25852).

The spelling of 38225470 in words is "thirty-eight million, two hundred twenty-five thousand, four hundred seventy".

Divisors: 1 2 5 10 101 202 505 1010 37847 75694 189235 378470 3822547 7645094 19112735 38225470