Search a number
-
+
380517358 = 213217471409
BaseRepresentation
bin10110101011100…
…011101111101110
3222112000021200111
4112223203233232
51234403023413
6101431450234
712300226024
oct2653435756
9875007614
10380517358
11185879361
12a752697a
1360aac800
1438772714
1523615d3d
hex16ae3bee

380517358 has 48 divisors (see below), whose sum is σ = 668813760. Its totient is φ = 161660928.

The previous prime is 380517337. The next prime is 380517367. The reversal of 380517358 is 853715083.

380517358 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 380517358.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 269358 + ... + 270766.

It is an arithmetic number, because the mean of its divisors is an integer number (13933620).

Almost surely, 2380517358 is an apocalyptic number.

380517358 is a deficient number, since it is larger than the sum of its proper divisors (288296402).

380517358 is a wasteful number, since it uses less digits than its factorization.

380517358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501 (or 1488 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 380517358 is about 19506.8541287415. The cubic root of 380517358 is about 724.6442062393.

The spelling of 380517358 in words is "three hundred eighty million, five hundred seventeen thousand, three hundred fifty-eight".

Divisors: 1 2 13 17 26 34 47 94 169 221 338 442 611 799 1222 1409 1598 2818 2873 5746 7943 10387 15886 18317 20774 23953 36634 47906 66223 132446 135031 238121 270062 311389 476242 622778 860899 1125791 1721798 2251582 4048057 8096114 11191687 14635283 22383374 29270566 190258679 380517358