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168982664 = 23131383421
BaseRepresentation
bin10100001001001…
…11100010001000
3102202222012122012
422010213202020
5321224421124
624433515052
74121220554
oct1204474210
9382865565
10168982664
11874281a4
1248712a88
1329017256
141862a864
15ec7de0e
hexa127888

168982664 has 32 divisors (see below), whose sum is σ = 320855040. Its totient is φ = 83428800.

The previous prime is 168982657. The next prime is 168982691. The reversal of 168982664 is 466289861.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401174 + ... + 401594.

It is an arithmetic number, because the mean of its divisors is an integer number (10026720).

Almost surely, 2168982664 is an apocalyptic number.

It is an amenable number.

168982664 is a deficient number, since it is larger than the sum of its proper divisors (151872376).

168982664 is a wasteful number, since it uses less digits than its factorization.

168982664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941 (or 937 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The square root of 168982664 is about 12999.3332136691. Note that the first 3 decimals coincide. The cubic root of 168982664 is about 552.8585760192.

The spelling of 168982664 in words is "one hundred sixty-eight million, nine hundred eighty-two thousand, six hundred sixty-four".

Divisors: 1 2 4 8 131 262 383 421 524 766 842 1048 1532 1684 3064 3368 50173 55151 100346 110302 161243 200692 220604 322486 401384 441208 644972 1289944 21122833 42245666 84491332 168982664