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168215104 = 268331667
BaseRepresentation
bin10100000011011…
…00001001000000
3102201112012202001
422001230021000
5321030340404
624405233344
74111543021
oct1201541100
9381465661
10168215104
1186a53552
1248402854
1328b08a85
14184aac48
15eb7b7a4
hexa06c240

168215104 has 28 divisors (see below), whose sum is σ = 337834224. Its totient is φ = 83091584.

The previous prime is 168215093. The next prime is 168215111. The reversal of 168215104 is 401512861.

168215104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 10522 + ... + 21145.

It is an arithmetic number, because the mean of its divisors is an integer number (12065508).

Almost surely, 2168215104 is an apocalyptic number.

It is an amenable number.

168215104 is an abundant number, since it is smaller than the sum of its proper divisors (169619120).

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

168215104 is an equidigital number, since it uses as much as digits as its factorization.

168215104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31762 (or 31752 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 168215104 is about 12969.7765593706. The cubic root of 168215104 is about 552.0202331028.

Adding to 168215104 its reverse (401512861), we get a palindrome (569727965).

The spelling of 168215104 in words is "one hundred sixty-eight million, two hundred fifteen thousand, one hundred four".

Divisors: 1 2 4 8 16 32 64 83 166 332 664 1328 2656 5312 31667 63334 126668 253336 506672 1013344 2026688 2628361 5256722 10513444 21026888 42053776 84107552 168215104