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344216825 = 5219799173
BaseRepresentation
bin10100100001000…
…101010011111001
3212222201000201022
4110201011103321
51201104414300
654053432225
711346536411
oct2441052371
9788630638
10344216825
11167335217
129733b675
135640cac4
1433a03641
1520345285
hex148454f9

344216825 has 24 divisors (see below), whose sum is σ = 455030400. Its totient is φ = 257549760.

The previous prime is 344216791. The next prime is 344216879. The reversal of 344216825 is 528612443.

It is not a de Polignac number, because 344216825 - 210 = 344215801 is a prime.

It is a super-2 number, since 2×3442168252 = 236970445226161250, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 32939 + ... + 42111.

It is an arithmetic number, because the mean of its divisors is an integer number (18959600).

Almost surely, 2344216825 is an apocalyptic number.

It is an amenable number.

344216825 is a deficient number, since it is larger than the sum of its proper divisors (110813575).

344216825 is a wasteful number, since it uses less digits than its factorization.

344216825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9281 (or 9276 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 344216825 is about 18553.0812804774. The cubic root of 344216825 is about 700.8267951669.

The spelling of 344216825 in words is "three hundred forty-four million, two hundred sixteen thousand, eight hundred twenty-five".

Divisors: 1 5 19 25 79 95 395 475 1501 1975 7505 9173 37525 45865 174287 229325 724667 871435 3623335 4357175 13768673 18116675 68843365 344216825