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344415420 = 223251913419
BaseRepresentation
bin10100100001110…
…101110010111100
3220000002010010200
4110201311302330
51201132243140
654102003500
711351324406
oct2441656274
9800063120
10344415420
11167460448
1297416590
135647c30b
1433a55b76
1520384030
hex14875cbc

344415420 has 36 divisors (see below), whose sum is σ = 1044727320. Its totient is φ = 91844064.

The previous prime is 344415371. The next prime is 344415433. The reversal of 344415420 is 24514443.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 956530 + ... + 956889.

Almost surely, 2344415420 is an apocalyptic number.

344415420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

344415420 is an abundant number, since it is smaller than the sum of its proper divisors (700311900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344415420 is a wasteful number, since it uses less digits than its factorization.

344415420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913434 (or 1913429 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 344415420 is about 18558.4325846770. The cubic root of 344415420 is about 700.9615493191.

Adding to 344415420 its reverse (24514443), we get a palindrome (368929863).

The spelling of 344415420 in words is "three hundred forty-four million, four hundred fifteen thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1913419 3826838 5740257 7653676 9567095 11480514 17220771 19134190 22961028 28701285 34441542 38268380 57402570 68883084 86103855 114805140 172207710 344415420