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258353253 = 33101211449
BaseRepresentation
bin11110110011000…
…10100001100101
3200000010201001000
433121202201211
51012114301003
641345223513
76254652324
oct1731424145
9600121030
10258353253
11122919694
1272631b99
13416a8862
14264520bb
1517a341a3
hexf662865

258353253 has 32 divisors (see below), whose sum is σ = 389232000. Its totient is φ = 169344000.

The previous prime is 258353213. The next prime is 258353261. The reversal of 258353253 is 352353852.

258353253 is a `hidden beast` number, since 2 + 58 + 353 + 253 = 666.

258353253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 258353253 - 218 = 258091109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258353213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 575173 + ... + 575621.

It is an arithmetic number, because the mean of its divisors is an integer number (12163500).

Almost surely, 2258353253 is an apocalyptic number.

It is an amenable number.

258353253 is a deficient number, since it is larger than the sum of its proper divisors (130878747).

258353253 is a wasteful number, since it uses less digits than its factorization.

258353253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 764 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 258353253 is about 16073.3709283398. The cubic root of 258353253 is about 636.9000916992.

The spelling of 258353253 in words is "two hundred fifty-eight million, three hundred fifty-three thousand, two hundred fifty-three".

Divisors: 1 3 9 27 101 211 303 449 633 909 1347 1899 2727 4041 5697 12123 21311 45349 63933 94739 136047 191799 284217 408141 575397 852651 1224423 2557953 9568639 28705917 86117751 258353253