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4213343440 = 24552666793
BaseRepresentation
bin1111101100100010…
…1000010011010000
3101212122011000122001
43323020220103100
532112103442230
61534030323344
7206260554055
oct37310502320
911778130561
104213343440
111872360319
12997059554
13521b9b337
142bd80b02c
15199d680ca
hexfb2284d0

4213343440 has 20 divisors (see below), whose sum is σ = 9796023684. Its totient is φ = 1685337344.

The previous prime is 4213343429. The next prime is 4213343489. The reversal of 4213343440 is 443433124.

It can be written as a sum of positive squares in 2 ways, for example, as 1154368576 + 3058974864 = 33976^2 + 55308^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 4213343399 and 4213343408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26333317 + ... + 26333476.

Almost surely, 24213343440 is an apocalyptic number.

4213343440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4213343440 is an abundant number, since it is smaller than the sum of its proper divisors (5582680244).

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

4213343440 is a wasteful number, since it uses less digits than its factorization.

4213343440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52666806 (or 52666800 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 4213343440 is about 64910.2722225073. The cubic root of 4213343440 is about 1615.1354658292.

Adding to 4213343440 its reverse (443433124), we get a palindrome (4656776564).

The spelling of 4213343440 in words is "four billion, two hundred thirteen million, three hundred forty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 52666793 105333586 210667172 263333965 421334344 526667930 842668688 1053335860 2106671720 4213343440