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388130795 = 5135971243
BaseRepresentation
bin10111001000100…
…110011111101011
31000001100002100122
4113020212133223
51243330141140
6102302553455
712422025443
oct2710463753
91001302318
10388130795
1118a0a9458
12a9b9888b
1362546cc0
1439795123
152411bab5
hex172267eb

388130795 has 8 divisors (see below), whose sum is σ = 501584496. Its totient is φ = 286619616.

The previous prime is 388130783. The next prime is 388130833. The reversal of 388130795 is 597031883.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 388130795 - 28 = 388130539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2985557 + ... + 2985686.

It is an arithmetic number, because the mean of its divisors is an integer number (62698062).

Almost surely, 2388130795 is an apocalyptic number.

388130795 is a deficient number, since it is larger than the sum of its proper divisors (113453701).

388130795 is a wasteful number, since it uses less digits than its factorization.

388130795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5971261.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 388130795 is about 19701.0353788830. The cubic root of 388130795 is about 729.4452500179.

The spelling of 388130795 in words is "three hundred eighty-eight million, one hundred thirty thousand, seven hundred ninety-five".

Divisors: 1 5 13 65 5971243 29856215 77626159 388130795