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38710930 = 255776709
BaseRepresentation
bin1001001110101…
…0111010010010
32200211201102011
42103222322102
534402222210
63501413134
7650015566
oct223527222
980751364
1038710930
111a940105
1210b6a1aa
138034b9b
1451d96a6
1535e9d8a
hex24eae92

38710930 has 16 divisors (see below), whose sum is σ = 69810840. Its totient is φ = 15455232.

The previous prime is 38710927. The next prime is 38710937. The reversal of 38710930 is 3901783.

38710930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 38675961 + 34969 = 6219^2 + 187^2 .

It is a super-2 number, since 2×387109302 = 2997072202929800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38710892 and 38710901.

It is not an unprimeable number, because it can be changed into a prime (38710937) 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, 2416 + ... + 9124.

Almost surely, 238710930 is an apocalyptic number.

38710930 is a deficient number, since it is larger than the sum of its proper divisors (31099910).

38710930 is a wasteful number, since it uses less digits than its factorization.

38710930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7293.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 38710930 is about 6221.8108296540. The cubic root of 38710930 is about 338.2812045409.

The spelling of 38710930 in words is "thirty-eight million, seven hundred ten thousand, nine hundred thirty".

Divisors: 1 2 5 10 577 1154 2885 5770 6709 13418 33545 67090 3871093 7742186 19355465 38710930