Search a number
-
+
168967964 = 221117397569
BaseRepresentation
bin10100001001000…
…11111100011100
3102202221110110202
422010203330130
5321223433324
624433323032
74121126654
oct1204437434
9382843422
10168967964
1187418150
1248706478
1329010659
1418625364
15ec798ae
hexa123f1c

168967964 has 48 divisors (see below), whose sum is σ = 343012320. Its totient is φ = 71976960.

The previous prime is 168967957. The next prime is 168967973. The reversal of 168967964 is 469769861.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 296672 + ... + 297240.

It is an arithmetic number, because the mean of its divisors is an integer number (7146090).

Almost surely, 2168967964 is an apocalyptic number.

It is an amenable number.

168967964 is an abundant number, since it is smaller than the sum of its proper divisors (174044356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168967964 is a wasteful number, since it uses less digits than its factorization.

168967964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 996 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 56.

The square root of 168967964 is about 12998.7677877559. The cubic root of 168967964 is about 552.8425442825.

The spelling of 168967964 in words is "one hundred sixty-eight million, nine hundred sixty-seven thousand, nine hundred sixty-four".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 397 569 748 794 1138 1588 2276 4367 6259 6749 8734 9673 12518 13498 17468 19346 25036 26996 38692 74239 106403 148478 212806 225893 296956 425612 451786 903572 2484823 3840181 4969646 7680362 9939292 15360724 42241991 84483982 168967964