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163704 = 23319359
BaseRepresentation
bin100111111101111000
322022120010
4213331320
520214304
63301520
71251162
oct477570
9268503
10163704
11101aa2
127a8a0
1359688
1443932
1533789
hex27f78

163704 has 32 divisors (see below), whose sum is σ = 432000. Its totient is φ = 51552.

The previous prime is 163697. The next prime is 163729. The reversal of 163704 is 407361.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

163704 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277 + ... + 635.

It is an arithmetic number, because the mean of its divisors is an integer number (13500).

2163704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216000).

163704 is an abundant number, since it is smaller than the sum of its proper divisors (268296).

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

163704 is a wasteful number, since it uses less digits than its factorization.

163704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 163704 is about 404.6035096239. The cubic root of 163704 is about 54.7040856905.

The spelling of 163704 in words is "one hundred sixty-three thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 359 456 718 1077 1436 2154 2872 4308 6821 8616 13642 20463 27284 40926 54568 81852 163704