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353025253 = 7214948353
BaseRepresentation
bin10101000010101…
…011110011100101
3220121021112121101
4111002223303211
51210333302003
655010320101
711514444100
oct2502536345
9817245541
10353025253
11171301109
129a289031
13581a51a9
1434c57737
1520ed511d
hex150abce5

353025253 has 12 divisors (see below), whose sum is σ = 413426700. Its totient is φ = 300556032.

The previous prime is 353025203. The next prime is 353025259. The reversal of 353025253 is 352520353.

It can be written as a sum of positive squares in 2 ways, for example, as 28376929 + 324648324 = 5327^2 + 18018^2 .

It is not a de Polignac number, because 353025253 - 213 = 353017061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353025259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16876 + ... + 31477.

It is an arithmetic number, because the mean of its divisors is an integer number (34452225).

Almost surely, 2353025253 is an apocalyptic number.

It is an amenable number.

353025253 is a deficient number, since it is larger than the sum of its proper divisors (60401447).

353025253 is a wasteful number, since it uses less digits than its factorization.

353025253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48516 (or 48509 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 353025253 is about 18788.9662568221. The cubic root of 353025253 is about 706.7545139940.

The spelling of 353025253 in words is "three hundred fifty-three million, twenty-five thousand, two hundred fifty-three".

Divisors: 1 7 49 149 1043 7301 48353 338471 2369297 7204597 50432179 353025253