Search a number
-
+
358 = 2179
BaseRepresentation
bin101100110
3111021
411212
52413
61354
71021
oct546
9437
10358
112a6
1225a
13217
141b8
1518d
hex166

358 has 4 divisors (see below), whose sum is σ = 540. Its totient is φ = 178.

The previous prime is 353. The next prime is 359. The reversal of 358 is 853.

It is a semiprime because it is the product of two primes.

It is a magnanimous number.

It is an Ulam number.

It is a plaindrome in base 10, base 12, base 15 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88 + ... + 91.

It is an arithmetic number, because the mean of its divisors is an integer number (135).

358 is a deficient number, since it is larger than the sum of its proper divisors (182).

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

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

The sum of its prime factors is 181.

The product of its digits is 120, while the sum is 16.

The square root of 358 is about 18.9208879284. The cubic root of 358 is about 7.1005884588.

The spelling of 358 in words is "three hundred fifty-eight", and thus it is an aban number and an oban number.

Divisors: 1 2 179 358