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344143447 = 1947385379
BaseRepresentation
bin10100100000110…
…011011001010111
3212222120022001121
4110200303121113
51201100042242
654052104411
711346112444
oct2440633127
9788508047
10344143447
1116729507a
1297305107
13563b559b
14339c49cb
152032d667
hex14833657

344143447 has 8 divisors (see below), whose sum is σ = 369964800. Its totient is φ = 319092984.

The previous prime is 344143439. The next prime is 344143453. The reversal of 344143447 is 744341443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 344143447 - 23 = 344143439 is a prime.

It is a super-2 number, since 2×3441434472 = 236869424226083618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344143417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191797 + ... + 193582.

It is an arithmetic number, because the mean of its divisors is an integer number (46245600).

Almost surely, 2344143447 is an apocalyptic number.

344143447 is a deficient number, since it is larger than the sum of its proper divisors (25821353).

344143447 is a wasteful number, since it uses less digits than its factorization.

344143447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385445.

The product of its digits is 64512, while the sum is 34.

The square root of 344143447 is about 18551.1036598904. The cubic root of 344143447 is about 700.7769923300.

The spelling of 344143447 in words is "three hundred forty-four million, one hundred forty-three thousand, four hundred forty-seven".

Divisors: 1 19 47 893 385379 7322201 18112813 344143447