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158468 = 22173229
BaseRepresentation
bin100110101100000100
322001101012
4212230010
520032333
63221352
71230002
oct465404
9261335
10158468
11a9072
1277858
135718b
1441a72
1531e48
hex26b04

158468 has 12 divisors (see below), whose sum is σ = 280140. Its totient is φ = 78432.

The previous prime is 158449. The next prime is 158489. The reversal of 158468 is 864851.

It can be written as a sum of positive squares in 2 ways, for example, as 145924 + 12544 = 382^2 + 112^2 .

It is a super-2 number, since 2×1584682 = 50224214048, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578 + ... + 806.

It is an arithmetic number, because the mean of its divisors is an integer number (23345).

2158468 is an apocalyptic number.

It is an amenable number.

158468 is a deficient number, since it is larger than the sum of its proper divisors (121672).

158468 is a wasteful number, since it uses less digits than its factorization.

158468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 404 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 158468 is about 398.0803938905. The cubic root of 158468 is about 54.1145260256.

It can be divided in two parts, 158 and 468, that added together give a palindrome (626).

The spelling of 158468 in words is "one hundred fifty-eight thousand, four hundred sixty-eight".

Divisors: 1 2 4 173 229 346 458 692 916 39617 79234 158468