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344312407 = 17179113149
BaseRepresentation
bin10100100001011…
…100101001010111
3212222212212211101
4110201130221113
51201120444112
654055450531
711350415155
oct2441345127
9788785741
10344312407
111673a000a
1297386a47
135644446a
1433a2a3d5
1520363757
hex1485ca57

344312407 has 8 divisors (see below), whose sum is σ = 366606000. Its totient is φ = 322245504.

The previous prime is 344312401. The next prime is 344312477. The reversal of 344312407 is 704213443.

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 344312407 - 27 = 344312279 is a prime.

It is a super-2 number, since 2×3443124072 = 237102067228267298, 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 (344312401) 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, 53532 + ... + 59617.

It is an arithmetic number, because the mean of its divisors is an integer number (45825750).

Almost surely, 2344312407 is an apocalyptic number.

344312407 is a deficient number, since it is larger than the sum of its proper divisors (22293593).

344312407 is a wasteful number, since it uses less digits than its factorization.

344312407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113345.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 344312407 is about 18555.6570080394. The cubic root of 344312407 is about 700.8916576049.

The spelling of 344312407 in words is "three hundred forty-four million, three hundred twelve thousand, four hundred seven".

Divisors: 1 17 179 3043 113149 1923533 20253671 344312407