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258248006 = 21279100957
BaseRepresentation
bin11110110010010…
…00110101000110
3122222221100122222
433121020311012
51012102414011
641343052342
76254033432
oct1731106506
9588840588
10258248006
11122857605
12725a10b2
134166c993
14264259c2
1517a12ddb
hexf648d46

258248006 has 8 divisors (see below), whose sum is σ = 387678720. Its totient is φ = 129021768.

The previous prime is 258247993. The next prime is 258248009. The reversal of 258248006 is 600842852.

258248006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258248009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47921 + ... + 53036.

It is an arithmetic number, because the mean of its divisors is an integer number (48459840).

Almost surely, 2258248006 is an apocalyptic number.

258248006 is a deficient number, since it is larger than the sum of its proper divisors (129430714).

258248006 is a wasteful number, since it uses less digits than its factorization.

258248006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102238.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 258248006 is about 16070.0966394107. The cubic root of 258248006 is about 636.8135939451.

The spelling of 258248006 in words is "two hundred fifty-eight million, two hundred forty-eight thousand, six".

Divisors: 1 2 1279 2558 100957 201914 129124003 258248006