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344876669 = 1123307103
BaseRepresentation
bin10100100011100…
…110011001111101
3220000221112211222
4110203212121331
51201242023134
654115523125
711355255224
oct2443463175
9800845758
10344876669
11167745a45
12975b94a5
13565b1247
1433b35cbb
1520425a2e
hex148e667d

344876669 has 4 divisors (see below), whose sum is σ = 345184896. Its totient is φ = 344568444.

The previous prime is 344876659. The next prime is 344876677. The reversal of 344876669 is 966678443.

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, and also an emirpimes, since its reverse is a distinct semiprime: 966678443 = 4123577523.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-344876669 is a prime.

It is a super-2 number, since 2×3448766692 = 237879833641071122, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 344876669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344876629) 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, 152429 + ... + 154674.

It is an arithmetic number, because the mean of its divisors is an integer number (86296224).

Almost surely, 2344876669 is an apocalyptic number.

It is an amenable number.

344876669 is a deficient number, since it is larger than the sum of its proper divisors (308227).

344876669 is a wasteful number, since it uses less digits than its factorization.

344876669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308226.

The product of its digits is 5225472, while the sum is 53.

The square root of 344876669 is about 18570.8553653298. The cubic root of 344876669 is about 701.2743243099.

The spelling of 344876669 in words is "three hundred forty-four million, eight hundred seventy-six thousand, six hundred sixty-nine".

Divisors: 1 1123 307103 344876669