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344514431 = 418402791
BaseRepresentation
bin10100100010001…
…101111101111111
3220000021010221202
4110202031331333
51201143430211
654104050115
711352216152
oct2442157577
9800233852
10344514431
11167518878
129746393b
13564b53c1
1433a7dc99
15203a353b
hex1488df7f

344514431 has 4 divisors (see below), whose sum is σ = 352917264. Its totient is φ = 336111600.

The previous prime is 344514421. The next prime is 344514433. The reversal of 344514431 is 134415443.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-344514431 is a prime.

It is a super-2 number, since 2×3445144312 = 237380386334507522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344514394 and 344514403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344514433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4201355 + ... + 4201436.

It is an arithmetic number, because the mean of its divisors is an integer number (88229316).

Almost surely, 2344514431 is an apocalyptic number.

344514431 is a deficient number, since it is larger than the sum of its proper divisors (8402833).

344514431 is an equidigital number, since it uses as much as digits as its factorization.

344514431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8402832.

The product of its digits is 11520, while the sum is 29.

The square root of 344514431 is about 18561.0999404669. The cubic root of 344514431 is about 701.0287126442.

Adding to 344514431 its reverse (134415443), we get a palindrome (478929874).

The spelling of 344514431 in words is "three hundred forty-four million, five hundred fourteen thousand, four hundred thirty-one".

Divisors: 1 41 8402791 344514431