Search a number
-
+
158038489 = 7149151523
BaseRepresentation
bin10010110101101…
…11100111011001
3102000101012001101
421122313213121
5310424212424
623403151401
73626206420
oct1132674731
9360335041
10158038489
1181232724
1244b15561
13269849cb
1416dbc2b7
15dd1b344
hex96b79d9

158038489 has 8 divisors (see below), whose sum is σ = 181828800. Its totient is φ = 134551536.

The previous prime is 158038483. The next prime is 158038499. The reversal of 158038489 is 984830851.

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

It is not a de Polignac number, because 158038489 - 23 = 158038481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158038481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74719 + ... + 76804.

It is an arithmetic number, because the mean of its divisors is an integer number (22728600).

Almost surely, 2158038489 is an apocalyptic number.

It is an amenable number.

158038489 is a deficient number, since it is larger than the sum of its proper divisors (23790311).

158038489 is a wasteful number, since it uses less digits than its factorization.

158038489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151679.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 158038489 is about 12571.3360069644. The cubic root of 158038489 is about 540.6559119349.

The spelling of 158038489 in words is "one hundred fifty-eight million, thirty-eight thousand, four hundred eighty-nine".

Divisors: 1 7 149 1043 151523 1060661 22576927 158038489