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443709942 = 231322924841
BaseRepresentation
bin11010011100100…
…111100111110110
31010220220210121120
4122130213213312
51402042204232
6112010124410
713665320664
oct3234474766
91126823546
10443709942
1120850a935
12104720706
1370c06980
1442d01c34
1528e4992c
hex1a7279f6

443709942 has 32 divisors (see below), whose sum is σ = 959894880. Its totient is φ = 135924480.

The previous prime is 443709887. The next prime is 443709971. The reversal of 443709942 is 249907344.

It is a junction number, because it is equal to n+sod(n) for n = 443709894 and 443709903.

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, 5442 + ... + 30282.

It is an arithmetic number, because the mean of its divisors is an integer number (29996715).

Almost surely, 2443709942 is an apocalyptic number.

443709942 is an abundant number, since it is smaller than the sum of its proper divisors (516184938).

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

443709942 is a wasteful number, since it uses less digits than its factorization.

443709942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25088.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 443709942 is about 21064.4236094891. The cubic root of 443709942 is about 762.7221988640.

The spelling of 443709942 in words is "four hundred forty-three million, seven hundred nine thousand, nine hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 229 458 687 1374 2977 5954 8931 17862 24841 49682 74523 149046 322933 645866 968799 1937598 5688589 11377178 17065767 34131534 73951657 147903314 221854971 443709942