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20103168 = 2143409
BaseRepresentation
bin100110010110…
…0000000000000
31101211100100210
41030230000000
520121300133
61554514120
7332605551
oct114540000
941740323
1020103168
1110390898
126895940
13421b387
142954328
151b71763
hex132c000

20103168 has 60 divisors (see below), whose sum is σ = 53737880. Its totient is φ = 6684672.

The previous prime is 20103157. The next prime is 20103191. The reversal of 20103168 is 86130102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48948 + ... + 49356.

Almost surely, 220103168 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 20103168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26868940).

20103168 is an abundant number, since it is smaller than the sum of its proper divisors (33634712).

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

20103168 is an frugal number, since it uses more digits than its factorization.

20103168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 20103168 is about 4483.6556513631. The cubic root of 20103168 is about 271.9076964772.

The spelling of 20103168 in words is "twenty million, one hundred three thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 409 512 768 818 1024 1227 1536 1636 2048 2454 3072 3272 4096 4908 6144 6544 8192 9816 12288 13088 16384 19632 24576 26176 39264 49152 52352 78528 104704 157056 209408 314112 418816 628224 837632 1256448 1675264 2512896 3350528 5025792 6701056 10051584 20103168