Search a number
-
+
158430 = 2355281
BaseRepresentation
bin100110101011011110
322001022210
4212223132
520032210
63221250
71226616
oct465336
9261283
10158430
11a9038
1277826
135715c
1441a46
1531e20
hex26ade

158430 has 16 divisors (see below), whose sum is σ = 380304. Its totient is φ = 42240.

The previous prime is 158429. The next prime is 158443. The reversal of 158430 is 34851.

158430 = 1762 + 1772 + ... + 1802.

It is a Curzon number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 158397 and 158406.

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 7 ways as a sum of consecutive naturals, for example, 2611 + ... + 2670.

It is an arithmetic number, because the mean of its divisors is an integer number (23769).

2158430 is an apocalyptic number.

158430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158430 is an abundant number, since it is smaller than the sum of its proper divisors (221874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158430 is a wasteful number, since it uses less digits than its factorization.

158430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 158430 is about 398.0326619764. The cubic root of 158430 is about 54.1102001966.

The spelling of 158430 in words is "one hundred fifty-eight thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 5281 10562 15843 26405 31686 52810 79215 158430