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4163920 = 245233173
BaseRepresentation
bin1111111000100101010000
321211112211021
433320211100
52031221140
6225125224
750251465
oct17704520
97745737
104163920
112394462
121489814
13b2a377
147a566c
15573b4a
hex3f8950

4163920 has 80 divisors (see below), whose sum is σ = 10570752. Its totient is φ = 1520640.

The previous prime is 4163911. The next prime is 4163933. The reversal of 4163920 is 293614.

4163920 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 (80).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 57004 + ... + 57076.

Almost surely, 24163920 is an apocalyptic number.

4163920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4163920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5285376).

4163920 is an abundant number, since it is smaller than the sum of its proper divisors (6406832).

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

4163920 is a wasteful number, since it uses less digits than its factorization.

4163920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 4163920 is about 2040.5685482238. The cubic root of 4163920 is about 160.8795312952.

The spelling of 4163920 in words is "four million, one hundred sixty-three thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 23 31 40 46 62 73 80 92 115 124 146 155 184 230 248 292 310 365 368 460 496 584 620 713 730 920 1168 1240 1426 1460 1679 1840 2263 2480 2852 2920 3358 3565 4526 5704 5840 6716 7130 8395 9052 11315 11408 13432 14260 16790 18104 22630 26864 28520 33580 36208 45260 52049 57040 67160 90520 104098 134320 181040 208196 260245 416392 520490 832784 1040980 2081960 4163920