Search a number
-
+
155134023 = 3114701031
BaseRepresentation
bin10010011111100…
…10100001000111
3101210220121212120
421033302201013
5304203242043
623221021023
73562421532
oct1117624107
9353817776
10155134023
117a629540
1243b54773
13261a89a5
1416863a19
15d945983
hex93f2847

155134023 has 8 divisors (see below), whose sum is σ = 225649536. Its totient is φ = 94020600.

The previous prime is 155134019. The next prime is 155134033. The reversal of 155134023 is 320431551.

155134023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 155134023 - 22 = 155134019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155133984 and 155134002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155134003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2350483 + ... + 2350548.

It is an arithmetic number, because the mean of its divisors is an integer number (28206192).

Almost surely, 2155134023 is an apocalyptic number.

155134023 is a deficient number, since it is larger than the sum of its proper divisors (70515513).

155134023 is a wasteful number, since it uses less digits than its factorization.

155134023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701045.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 155134023 is about 12455.2809281846. The cubic root of 155134023 is about 537.3233144164.

Adding to 155134023 its reverse (320431551), we get a palindrome (475565574).

The spelling of 155134023 in words is "one hundred fifty-five million, one hundred thirty-four thousand, twenty-three".

Divisors: 1 3 11 33 4701031 14103093 51711341 155134023