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258113270 = 25139185693
BaseRepresentation
bin11110110001001…
…11111011110110
3122222200111211202
433120213323312
51012034111040
641340132502
76252632552
oct1730477366
9588614752
10258113270
11122775358
1272537132
134162355c
14263cc862
15179d8015
hexf627ef6

258113270 has 16 divisors (see below), whose sum is σ = 467948880. Its totient is φ = 102501984.

The previous prime is 258113249. The next prime is 258113281. The reversal of 258113270 is 72311852.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91457 + ... + 94236.

It is an arithmetic number, because the mean of its divisors is an integer number (29246805).

Almost surely, 2258113270 is an apocalyptic number.

258113270 is a deficient number, since it is larger than the sum of its proper divisors (209835610).

258113270 is a wasteful number, since it uses less digits than its factorization.

258113270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185839.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 258113270 is about 16065.9039583834. The cubic root of 258113270 is about 636.7028262070.

It can be divided in two parts, 2581 and 13270, that added together give a palindrome (15851).

The spelling of 258113270 in words is "two hundred fifty-eight million, one hundred thirteen thousand, two hundred seventy".