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258442088 = 2332305261
BaseRepresentation
bin11110110011110…
…00001101101000
3200000022012220012
433121320031220
51012130121323
641351151052
76255502322
oct1731701550
9600265805
10258442088
1112297a403
1272675488
134170a118
1426476612
1517a50678
hexf678368

258442088 has 8 divisors (see below), whose sum is σ = 484578930. Its totient is φ = 129221040.

The previous prime is 258442081. The next prime is 258442091. The reversal of 258442088 is 880244852.

It can be written as a sum of positive squares in only one way, i.e., 227949604 + 30492484 = 15098^2 + 5522^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (258442081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16152623 + ... + 16152638.

Almost surely, 2258442088 is an apocalyptic number.

It is an amenable number.

258442088 is a deficient number, since it is larger than the sum of its proper divisors (226136842).

258442088 is a wasteful number, since it uses less digits than its factorization.

258442088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32305267 (or 32305263 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 41.

The square root of 258442088 is about 16076.1341124040. The cubic root of 258442088 is about 636.9730828915.

The spelling of 258442088 in words is "two hundred fifty-eight million, four hundred forty-two thousand, eighty-eight".

Divisors: 1 2 4 8 32305261 64610522 129221044 258442088