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389265370 = 251316091861
BaseRepresentation
bin10111001100111…
…011011111011010
31000010110201200221
4113030323133122
51244122442440
6102343150254
712434462314
oct2714733732
91003421627
10389265370
1118a80391a
12aa44538a
1362853550
14399ac7b4
1524292d4a
hex1733b7da

389265370 has 32 divisors (see below), whose sum is σ = 755450640. Its totient is φ = 143562240.

The previous prime is 389265323. The next prime is 389265379. The reversal of 389265370 is 73562983.

389265370 is digitally balanced in base 6, 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 8 ways, for example, as 76930441 + 312334929 = 8771^2 + 17673^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (389265379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208240 + ... + 210100.

Almost surely, 2389265370 is an apocalyptic number.

389265370 is a deficient number, since it is larger than the sum of its proper divisors (366185270).

389265370 is a wasteful number, since it uses less digits than its factorization.

389265370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3490.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 389265370 is about 19729.8091729241. The cubic root of 389265370 is about 730.1553244267.

The spelling of 389265370 in words is "three hundred eighty-nine million, two hundred sixty-five thousand, three hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 1609 1861 3218 3722 8045 9305 16090 18610 20917 24193 41834 48386 104585 120965 209170 241930 2994349 5988698 14971745 29943490 38926537 77853074 194632685 389265370