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168068732 = 221317316133
BaseRepresentation
bin10100000010010…
…00011001111100
3102201020202221212
422001020121330
5321011144412
624402143552
74110363206
oct1201103174
9381222855
10168068732
1186963587
1248351bb8
1328a87270
141846d776
15eb4d222
hexa04867c

168068732 has 48 divisors (see below), whose sum is σ = 346252032. Its totient is φ = 70640640.

The previous prime is 168068713. The next prime is 168068741. The reversal of 168068732 is 237860861.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 168068732.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24338 + ... + 30470.

It is an arithmetic number, because the mean of its divisors is an integer number (7213584).

Almost surely, 2168068732 is an apocalyptic number.

It is an amenable number.

168068732 is an abundant number, since it is smaller than the sum of its proper divisors (178183300).

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

168068732 is a wasteful number, since it uses less digits than its factorization.

168068732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6198 (or 6196 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 168068732 is about 12964.1325201496. The cubic root of 168068732 is about 551.8600735788.

The spelling of 168068732 in words is "one hundred sixty-eight million, sixty-eight thousand, seven hundred thirty-two".

Divisors: 1 2 4 13 17 26 31 34 52 62 68 124 221 403 442 527 806 884 1054 1612 2108 6133 6851 12266 13702 24532 27404 79729 104261 159458 190123 208522 318916 380246 417044 760492 1355393 2471599 2710786 3232091 4943198 5421572 6464182 9886396 12928364 42017183 84034366 168068732