Search a number
-
+
168870764 = 22312197223
BaseRepresentation
bin10100001000011…
…00001101101100
3102202202112010202
422010030031230
5321212331024
624431253032
74120243406
oct1204141554
9382675122
10168870764
1187361117
124867a178
1328ca833a
14185dbb76
15ec5abae
hexa10c36c

168870764 has 36 divisors (see below), whose sum is σ = 308290752. Its totient is φ = 80932320.

The previous prime is 168870763. The next prime is 168870769. The reversal of 168870764 is 467078861.

It is not an unprimeable number, because it can be changed into a prime (168870763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 757157 + ... + 757379.

It is an arithmetic number, because the mean of its divisors is an integer number (8563632).

Almost surely, 2168870764 is an apocalyptic number.

It is an amenable number.

168870764 is a deficient number, since it is larger than the sum of its proper divisors (139419988).

168870764 is a wasteful number, since it uses less digits than its factorization.

168870764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 168870764 is about 12995.0284339820. The cubic root of 168870764 is about 552.7365151052.

The spelling of 168870764 in words is "one hundred sixty-eight million, eight hundred seventy thousand, seven hundred sixty-four".

Divisors: 1 2 4 31 62 124 197 223 394 446 788 892 961 1922 3844 6107 6913 12214 13826 24428 27652 43931 87862 175724 189317 214303 378634 428606 757268 857212 1361861 2723722 5447444 42217691 84435382 168870764