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2214245540 = 225138516329
BaseRepresentation
bin1000001111111010…
…1011010010100100
312201022111022212002
42003332223102210
514013321324130
61003414544432
7105604530233
oct20376532244
95638438762
102214245540
11a3697a4a1
12519668118
1329397b780
14170108b1a
15ce5d2b45
hex83fab4a4

2214245540 has 24 divisors (see below), whose sum is σ = 5007602040. Its totient is φ = 817567488.

The previous prime is 2214245521. The next prime is 2214245591. The reversal of 2214245540 is 455424122.

2214245540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 147088384 + 2067157156 = 12128^2 + 45466^2 .

It is a super-2 number, since 2×22142455402 = 9805766622819783200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4257905 + ... + 4258424.

It is an arithmetic number, because the mean of its divisors is an integer number (208650085).

Almost surely, 22214245540 is an apocalyptic number.

2214245540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2214245540 is an abundant number, since it is smaller than the sum of its proper divisors (2793356500).

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

2214245540 is a wasteful number, since it uses less digits than its factorization.

2214245540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8516351 (or 8516349 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 2214245540 is about 47055.7705281722. The cubic root of 2214245540 is about 1303.3926257013.

Adding to 2214245540 its reverse (455424122), we get a palindrome (2669669662).

The spelling of 2214245540 in words is "two billion, two hundred fourteen million, two hundred forty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 8516329 17032658 34065316 42581645 85163290 110712277 170326580 221424554 442849108 553561385 1107122770 2214245540