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344144081 = 1672239241
BaseRepresentation
bin10100100000110…
…011100011010001
3212222120022221002
4110200303203101
51201100102311
654052111345
711346114341
oct2440634321
9788508832
10344144081
111672955a6
1297305555
13563b5968
14339c4d21
152032d93b
hex148338d1

344144081 has 8 divisors (see below), whose sum is σ = 347794944. Its totient is φ = 340512480.

The previous prime is 344144077. The next prime is 344144089. The reversal of 344144081 is 180441443.

It is a happy number.

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 344144081 - 22 = 344144077 is a prime.

It is a super-2 number, since 2×3441440812 = 236870296974669122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344144089) 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, 32621 + ... + 41861.

It is an arithmetic number, because the mean of its divisors is an integer number (43474368).

Almost surely, 2344144081 is an apocalyptic number.

It is an amenable number.

344144081 is a deficient number, since it is larger than the sum of its proper divisors (3650863).

344144081 is a wasteful number, since it uses less digits than its factorization.

344144081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9631.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 344144081 is about 18551.1207478147. The cubic root of 344144081 is about 700.7774226663. Note that the first 3 decimals are identical.

The spelling of 344144081 in words is "three hundred forty-four million, one hundred forty-four thousand, eighty-one".

Divisors: 1 167 223 9241 37241 1543247 2060743 344144081