Search a number
-
+
258361157 = 436008399
BaseRepresentation
bin11110110011001…
…00011101000101
3200000011002212202
433121210131011
51012120024112
641345324245
76255014345
oct1731443505
9600132782
10258361157
1112292461a
1272636685
13416ac332
1426454d25
1517a366c2
hexf664745

258361157 has 4 divisors (see below), whose sum is σ = 264369600. Its totient is φ = 252352716.

The previous prime is 258361133. The next prime is 258361193. The reversal of 258361157 is 751163852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 258361157 - 28 = 258360901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 258361157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258364157) 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, 3004157 + ... + 3004242.

It is an arithmetic number, because the mean of its divisors is an integer number (66092400).

Almost surely, 2258361157 is an apocalyptic number.

It is an amenable number.

258361157 is a deficient number, since it is larger than the sum of its proper divisors (6008443).

258361157 is an equidigital number, since it uses as much as digits as its factorization.

258361157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6008442.

The product of its digits is 50400, while the sum is 38.

The square root of 258361157 is about 16073.6167989659. The cubic root of 258361157 is about 636.9065866912.

The spelling of 258361157 in words is "two hundred fifty-eight million, three hundred sixty-one thousand, one hundred fifty-seven".

Divisors: 1 43 6008399 258361157