Search a number
-
+
214344020 = 225111915101
BaseRepresentation
bin11001100011010…
…10000101010100
3112221022210201102
430301222011110
5414333002040
633134045232
75211615452
oct1461520524
9487283642
10214344020
11aaa9a920
125b949818
133553a1a7
14206779d2
1513c3e515
hexcc6a154

214344020 has 48 divisors (see below), whose sum is σ = 493710336. Its totient is φ = 77520000.

The previous prime is 214344019. The next prime is 214344049. The reversal of 214344020 is 20443412.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 214343983 and 214344001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39470 + ... + 44570.

It is an arithmetic number, because the mean of its divisors is an integer number (10285632).

Almost surely, 2214344020 is an apocalyptic number.

214344020 is a gapful number since it is divisible by the number (20) 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 214344020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246855168).

214344020 is an abundant number, since it is smaller than the sum of its proper divisors (279366316).

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

214344020 is a wasteful number, since it uses less digits than its factorization.

214344020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5312 (or 5310 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 214344020 is about 14640.4924780555. The cubic root of 214344020 is about 598.4627499862.

Adding to 214344020 its reverse (20443412), we get a palindrome (234787432).

The spelling of 214344020 in words is "two hundred fourteen million, three hundred forty-four thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 191 220 382 764 955 1910 2101 3820 4202 5101 8404 10202 10505 20404 21010 25505 42020 51010 56111 102020 112222 224444 280555 561110 974291 1122220 1948582 3897164 4871455 9742910 10717201 19485820 21434402 42868804 53586005 107172010 214344020