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38320870 = 257547441
BaseRepresentation
bin1001001000101…
…1101011100110
32200002220100111
42102023223212
534302231440
63445203234
7643502440
oct222135346
980086314
1038320870
111a6a4045
1210a0051a
137c29493
145137490
15356e4ea
hex248bae6

38320870 has 16 divisors (see below), whose sum is σ = 78831648. Its totient is φ = 13138560.

The previous prime is 38320859. The next prime is 38320879. The reversal of 38320870 is 7802383.

38320870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38320879) 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, 273651 + ... + 273790.

It is an arithmetic number, because the mean of its divisors is an integer number (4926978).

Almost surely, 238320870 is an apocalyptic number.

38320870 is an abundant number, since it is smaller than the sum of its proper divisors (40510778).

38320870 is a wasteful number, since it uses less digits than its factorization.

38320870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547455.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 38320870 is about 6190.3852868784. The cubic root of 38320870 is about 337.1411677765.

The spelling of 38320870 in words is "thirty-eight million, three hundred twenty thousand, eight hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 547441 1094882 2737205 3832087 5474410 7664174 19160435 38320870