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390108764 = 22373261467
BaseRepresentation
bin10111010000001…
…001011001011100
31000012001120121202
4113100021121130
51244331440024
6102413215032
712444604223
oct2720113134
91005046552
10390108764
1119022a541
12aa791478
1362a8a3b6
1439b4bcba
15243acbae
hex1740965c

390108764 has 12 divisors (see below), whose sum is σ = 684523224. Its totient is φ = 194530704.

The previous prime is 390108751. The next prime is 390108769. The reversal of 390108764 is 467801093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390108769) 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 3 ways as a sum of consecutive naturals, for example, 129242 + ... + 132225.

It is an arithmetic number, because the mean of its divisors is an integer number (57043602).

Almost surely, 2390108764 is an apocalyptic number.

It is an amenable number.

390108764 is a deficient number, since it is larger than the sum of its proper divisors (294414460).

390108764 is a wasteful number, since it uses less digits than its factorization.

390108764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261844 (or 261842 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 390108764 is about 19751.1712057792. The cubic root of 390108764 is about 730.6822695037.

It can be divided in two parts, 39010 and 8764, that added together give a palindrome (47774).

The spelling of 390108764 in words is "three hundred ninety million, one hundred eight thousand, seven hundred sixty-four".

Divisors: 1 2 4 373 746 1492 261467 522934 1045868 97527191 195054382 390108764