Search a number
-
+
28463158 = 215790647
BaseRepresentation
bin110110010010…
…1000000110110
31222120002010001
41230211000312
524241310113
62454021514
7463634653
oct154450066
958502101
1028463158
1115080879
12964789a
135b87609
143accc2a
1527737dd
hex1b25036

28463158 has 8 divisors (see below), whose sum is σ = 42967152. Its totient is φ = 14140776.

The previous prime is 28463137. The next prime is 28463161. The reversal of 28463158 is 85136482.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45010 + ... + 45637.

It is an arithmetic number, because the mean of its divisors is an integer number (5370894).

Almost surely, 228463158 is an apocalyptic number.

28463158 is a deficient number, since it is larger than the sum of its proper divisors (14503994).

28463158 is a wasteful number, since it uses less digits than its factorization.

28463158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90806.

The product of its digits is 46080, while the sum is 37.

The square root of 28463158 is about 5335.0874407080. The cubic root of 28463158 is about 305.3240594023.

The spelling of 28463158 in words is "twenty-eight million, four hundred sixty-three thousand, one hundred fifty-eight".

Divisors: 1 2 157 314 90647 181294 14231579 28463158