Search a number
-
+
16020180 = 22345112931
BaseRepresentation
bin111101000111…
…001011010100
31010010220120000
4331013023110
513100121210
61331211300
7253112031
oct75071324
933126500
1016020180
119052220
125446b30
13341bac7
1421b0388
151616ac0
hexf472d4

16020180 has 240 divisors, whose sum is σ = 58544640. Its totient is φ = 3628800.

The previous prime is 16020163. The next prime is 16020197. The reversal of 16020180 is 8102061.

It is an interprime number because it is at equal distance from previous prime (16020163) and next prime (16020197).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 79 ways as a sum of consecutive naturals, for example, 516765 + ... + 516795.

It is an arithmetic number, because the mean of its divisors is an integer number (243936).

Almost surely, 216020180 is an apocalyptic number.

16020180 is a gapful number since it is divisible by the number (10) 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 16020180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29272320).

16020180 is an abundant number, since it is smaller than the sum of its proper divisors (42524460).

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

16020180 is a wasteful number, since it uses less digits than its factorization.

16020180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 16020180 is about 4002.5217051254. The cubic root of 16020180 is about 252.0901038335.

The spelling of 16020180 in words is "sixteen million, twenty thousand, one hundred eighty".