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258289952 = 2519424819
BaseRepresentation
bin11110110010100…
…11000100100000
3200000000111012112
433121103010200
51012110234302
641344014452
76254266634
oct1731230440
9600014175
10258289952
11122886078
1272601428
1341685abb
1426436dc4
1517a20552
hexf653120

258289952 has 24 divisors (see below), whose sum is σ = 535273200. Its totient is φ = 122347584.

The previous prime is 258289919. The next prime is 258289961. The reversal of 258289952 is 259982852.

It is a self number, because there is not a number n which added to its sum of digits gives 258289952.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211802 + ... + 213017.

It is an arithmetic number, because the mean of its divisors is an integer number (22303050).

Almost surely, 2258289952 is an apocalyptic number.

It is an amenable number.

258289952 is an abundant number, since it is smaller than the sum of its proper divisors (276983248).

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

258289952 is a wasteful number, since it uses less digits than its factorization.

258289952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424848 (or 424840 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 50.

The square root of 258289952 is about 16071.4016812473. The cubic root of 258289952 is about 636.8480702835.

The spelling of 258289952 in words is "two hundred fifty-eight million, two hundred eighty-nine thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 424819 849638 1699276 3398552 6797104 8071561 13594208 16143122 32286244 64572488 129144976 258289952