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2214400020 = 223577966739
BaseRepresentation
bin1000001111111101…
…0001000000010100
312201022210011202120
42003333101000110
514013341300040
61003422135540
7105606042510
oct20377210024
95638704676
102214400020
11a36a75568
125197215b0
13293a03b91
14170149140
15ce6137d0
hex83fd1014

2214400020 has 96 divisors (see below), whose sum is σ = 7175884800. Its totient is φ = 499734144.

The previous prime is 2214400007. The next prime is 2214400033. The reversal of 2214400020 is 200044122.

It is an interprime number because it is at equal distance from previous prime (2214400007) and next prime (2214400033).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 190 + ... + 66549.

It is an arithmetic number, because the mean of its divisors is an integer number (74748800).

Almost surely, 22214400020 is an apocalyptic number.

2214400020 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 2214400020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3587942400).

2214400020 is an abundant number, since it is smaller than the sum of its proper divisors (4961484780).

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

2214400020 is a wasteful number, since it uses less digits than its factorization.

2214400020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66837 (or 66835 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2214400020 is about 47057.4119560352. The cubic root of 2214400020 is about 1303.4229360119.

Adding to 2214400020 its reverse (200044122), we get a palindrome (2414444142).

The spelling of 2214400020 in words is "two billion, two hundred fourteen million, four hundred thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 79 84 105 140 158 210 237 316 395 420 474 553 790 948 1106 1185 1580 1659 2212 2370 2765 3318 4740 5530 6636 8295 11060 16590 33180 66739 133478 200217 266956 333695 400434 467173 667390 800868 934346 1001085 1334780 1401519 1868692 2002170 2335865 2803038 4004340 4671730 5272381 5606076 7007595 9343460 10544762 14015190 15817143 21089524 26361905 28030380 31634286 36906667 52723810 63268572 73813334 79085715 105447620 110720001 147626668 158171430 184533335 221440002 316342860 369066670 442880004 553600005 738133340 1107200010 2214400020