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344426453 = 749203779
BaseRepresentation
bin10100100001111…
…000011111010101
3220000002200021022
4110201320133111
51201133121303
654102130525
711351401520
oct2441703725
9800080238
10344426453
11167468768
1297420a45
1356484347
1433a59bb7
1520387438
hex148787d5

344426453 has 4 divisors (see below), whose sum is σ = 393630240. Its totient is φ = 295222668.

The previous prime is 344426447. The next prime is 344426497. The reversal of 344426453 is 354624443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 344426453 - 26 = 344426389 is a prime.

It is a super-2 number, since 2×3444264532 = 237259163052322418, 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 (344476453) 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, 24601883 + ... + 24601896.

It is an arithmetic number, because the mean of its divisors is an integer number (98407560).

Almost surely, 2344426453 is an apocalyptic number.

It is an amenable number.

344426453 is a deficient number, since it is larger than the sum of its proper divisors (49203787).

344426453 is an equidigital number, since it uses as much as digits as its factorization.

344426453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49203786.

The product of its digits is 138240, while the sum is 35.

The square root of 344426453 is about 18558.7298326152. The cubic root of 344426453 is about 700.9690341042.

The spelling of 344426453 in words is "three hundred forty-four million, four hundred twenty-six thousand, four hundred fifty-three".

Divisors: 1 7 49203779 344426453