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385155168 = 2534012033
BaseRepresentation
bin10110111101010…
…000000001100000
3222211201220120020
4112331100001200
51242044431133
6102115113440
712354523236
oct2675200140
9884656506
10385155168
11188456862
12a8ba2880
1361a44788
143921c956
1523c300b3
hex16f50060

385155168 has 24 divisors (see below), whose sum is σ = 1011032568. Its totient is φ = 128385024.

The previous prime is 385155161. The next prime is 385155181. The reversal of 385155168 is 861551583.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385155161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2005921 + ... + 2006112.

It is an arithmetic number, because the mean of its divisors is an integer number (42126357).

Almost surely, 2385155168 is an apocalyptic number.

It is an amenable number.

385155168 is an abundant number, since it is smaller than the sum of its proper divisors (625877400).

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

385155168 is a wasteful number, since it uses less digits than its factorization.

385155168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012046 (or 4012038 counting only the distinct ones).

The product of its digits is 144000, while the sum is 42.

The square root of 385155168 is about 19625.3705187953. The cubic root of 385155168 is about 727.5763545702.

The spelling of 385155168 in words is "three hundred eighty-five million, one hundred fifty-five thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 4012033 8024066 12036099 16048132 24072198 32096264 48144396 64192528 96288792 128385056 192577584 385155168