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258542482 = 21129405239
BaseRepresentation
bin11110110100100…
…00101110010010
3200000111022121111
433122100232102
51012141324412
641353243534
76256401112
oct1732205622
9600438544
10258542482
11122a38880
12727035aa
1341743a23
14264a1042
1517a702a7
hexf690b92

258542482 has 16 divisors (see below), whose sum is σ = 437659200. Its totient is φ = 113466640.

The previous prime is 258542467. The next prime is 258542483. The reversal of 258542482 is 284245852.

258542482 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (258542483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201982 + ... + 203257.

It is an arithmetic number, because the mean of its divisors is an integer number (27353700).

Almost surely, 2258542482 is an apocalyptic number.

258542482 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

258542482 is a deficient number, since it is larger than the sum of its proper divisors (179116718).

258542482 is a wasteful number, since it uses less digits than its factorization.

258542482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405281.

The product of its digits is 204800, while the sum is 40.

The square root of 258542482 is about 16079.2562638948. The cubic root of 258542482 is about 637.0555513955.

The spelling of 258542482 in words is "two hundred fifty-eight million, five hundred forty-two thousand, four hundred eighty-two".

Divisors: 1 2 11 22 29 58 319 638 405239 810478 4457629 8915258 11751931 23503862 129271241 258542482