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745143168 = 27371122979
BaseRepresentation
bin101100011010011…
…111101110000000
31220221010012021010
4230122133232000
53011224040133
6201535000520
724315420030
oct5432375600
91827105233
10745143168
11352683100
12189669140
13bb4b6c23
1470d698c0
154563d263
hex2c69fb80

745143168 has 384 divisors, whose sum is σ = 2604672000. Its totient is φ = 184504320.

The previous prime is 745143151. The next prime is 745143283. The reversal of 745143168 is 861341547.

745143168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9432153 + ... + 9432231.

It is an arithmetic number, because the mean of its divisors is an integer number (6783000).

Almost surely, 2745143168 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 745143168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1302336000).

745143168 is an abundant number, since it is smaller than the sum of its proper divisors (1859528832).

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

745143168 is a wasteful number, since it uses less digits than its factorization.

745143168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 131 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 745143168 is about 27297.3106367642. The cubic root of 745143168 is about 906.5948366778.

The spelling of 745143168 in words is "seven hundred forty-five million, one hundred forty-three thousand, one hundred sixty-eight".