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628309341 = 321117373327
BaseRepresentation
bin100101011100110…
…011110101011101
31121210021102101100
4211130303311131
52241321344331
6142202503313
721366353442
oct4534636535
91553242340
10628309341
112a2734120
12156504b39
13a022b19a
145d6359c9
153a260ae6
hex25733d5d

628309341 has 24 divisors (see below), whose sum is σ = 1048305024. Its totient is φ = 358392960.

The previous prime is 628309337. The next prime is 628309351. The reversal of 628309341 is 143903826.

628309341 is a `hidden beast` number, since 6 + 2 + 8 + 309 + 341 = 666.

It is not a de Polignac number, because 628309341 - 22 = 628309337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 628309296 and 628309305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628309351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184981 + ... + 188346.

It is an arithmetic number, because the mean of its divisors is an integer number (43679376).

Almost surely, 2628309341 is an apocalyptic number.

It is an amenable number.

628309341 is a deficient number, since it is larger than the sum of its proper divisors (419995683).

628309341 is a wasteful number, since it uses less digits than its factorization.

628309341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373361 (or 373358 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 628309341 is about 25066.0994372878. The cubic root of 628309341 is about 856.4943559896.

The spelling of 628309341 in words is "six hundred twenty-eight million, three hundred nine thousand, three hundred forty-one".

Divisors: 1 3 9 11 17 33 51 99 153 187 561 1683 373327 1119981 3359943 4106597 6346559 12319791 19039677 36959373 57119031 69812149 209436447 628309341