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168013552 = 2472312223
BaseRepresentation
bin10100000001110…
…10111011110000
3102201010222021011
422000322323300
5321002413202
624401040304
74110043300
oct1200727360
9381128234
10168013552
1186926083
1248326094
1328a68105
1418457600
15eb3bbd7
hexa03aef0

168013552 has 90 divisors (see below), whose sum is σ = 393037344. Its totient is φ = 69370560.

The previous prime is 168013541. The next prime is 168013589. The reversal of 168013552 is 255310861.

168013552 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 753313 + ... + 753535.

Almost surely, 2168013552 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 168013552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196518672).

168013552 is an abundant number, since it is smaller than the sum of its proper divisors (225023792).

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

168013552 is a wasteful number, since it uses less digits than its factorization.

168013552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 168013552 is about 12962.0041660231. The cubic root of 168013552 is about 551.7996717584.

The spelling of 168013552 in words is "one hundred sixty-eight million, thirteen thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 31 49 56 62 98 112 124 196 217 223 248 392 434 446 496 784 868 892 961 1519 1561 1736 1784 1922 3038 3122 3472 3568 3844 6076 6244 6727 6913 7688 10927 12152 12488 13454 13826 15376 21854 24304 24976 26908 27652 43708 47089 48391 53816 55304 87416 94178 96782 107632 110608 174832 188356 193564 214303 338737 376712 387128 428606 677474 753424 774256 857212 1354948 1500121 1714424 2709896 3000242 3428848 5419792 6000484 10500847 12000968 21001694 24001936 42003388 84006776 168013552