Search a number
-
+
2213084160 = 21033572287
BaseRepresentation
bin1000001111101000…
…1111110000000000
312201020022022202000
42003322033300000
514013022143120
61003334024000
7105561622260
oct20372176000
95636268660
102213084160
11a36256981
125191a8000
13293662c71
1416dcc57a0
15ce453990
hex83e8fc00

2213084160 has 352 divisors, whose sum is σ = 8992389120. Its totient is φ = 505626624.

The previous prime is 2213084143. The next prime is 2213084171. The reversal of 2213084160 is 614803122.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 966537 + ... + 968823.

It is an arithmetic number, because the mean of its divisors is an integer number (25546560).

Almost surely, 22213084160 is an apocalyptic number.

2213084160 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 2213084160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4496194560).

2213084160 is an abundant number, since it is smaller than the sum of its proper divisors (6779304960).

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

2213084160 is a wasteful number, since it uses less digits than its factorization.

2213084160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328 (or 2304 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2213084160 is about 47043.4284464897. The cubic root of 2213084160 is about 1303.1647077596.

Adding to 2213084160 its reverse (614803122), we get a palindrome (2827887282).

The spelling of 2213084160 in words is "two billion, two hundred thirteen million, eighty-four thousand, one hundred sixty".