Search a number
-
+
258189229 = 10116315683
BaseRepresentation
bin11110110001110…
…10011110101101
3122222211101001001
433120322132231
51012044023404
641341520301
76253400164
oct1730723655
9588741031
10258189229
11122817431
1272573091
134164bcbc
142640c3db
1517a007a4
hexf63a7ad

258189229 has 8 divisors (see below), whose sum is σ = 262361952. Its totient is φ = 254048400.

The previous prime is 258189227. The next prime is 258189287. The reversal of 258189229 is 922981852.

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

It is a cyclic number.

It is not a de Polignac number, because 258189229 - 21 = 258189227 is a prime.

It is a super-2 number, since 2×2581892292 = 133323355943228882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258189221) 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, 8622 + ... + 24304.

It is an arithmetic number, because the mean of its divisors is an integer number (32795244).

Almost surely, 2258189229 is an apocalyptic number.

It is an amenable number.

258189229 is a deficient number, since it is larger than the sum of its proper divisors (4172723).

258189229 is a wasteful number, since it uses less digits than its factorization.

258189229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15947.

The product of its digits is 207360, while the sum is 46.

The square root of 258189229 is about 16068.2677660039. The cubic root of 258189229 is about 636.7652775570.

The spelling of 258189229 in words is "two hundred fifty-eight million, one hundred eighty-nine thousand, two hundred twenty-nine".

Divisors: 1 101 163 15683 16463 1583983 2556329 258189229