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344520005 = 5307224443
BaseRepresentation
bin10100100010001…
…111010101000101
3220000021102121012
4110202033111011
51201144120010
654104132005
711352241334
oct2442172505
9800242535
10344520005
11167521a85
1297467005
13564b7abb
1433a81d1b
15203a5005
hex1488f545

344520005 has 8 divisors (see below), whose sum is σ = 414772512. Its totient is φ = 274717008.

The previous prime is 344519993. The next prime is 344520017. The reversal of 344520005 is 500025443.

It is an interprime number because it is at equal distance from previous prime (344519993) and next prime (344520017).

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 344520005 - 26 = 344519941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110687 + ... + 113756.

It is an arithmetic number, because the mean of its divisors is an integer number (51846564).

Almost surely, 2344520005 is an apocalyptic number.

It is an amenable number.

344520005 is a deficient number, since it is larger than the sum of its proper divisors (70252507).

344520005 is a wasteful number, since it uses less digits than its factorization.

344520005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224755.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 344520005 is about 18561.2500925988. The cubic root of 344520005 is about 701.0324933402.

Adding to 344520005 its reverse (500025443), we get a palindrome (844545448).

The spelling of 344520005 in words is "three hundred forty-four million, five hundred twenty thousand, five".

Divisors: 1 5 307 1535 224443 1122215 68904001 344520005