Base | Representation |
---|---|
bin | 10010100001110… |
… | …10110110110100 |
3 | 101211110200022200 |
4 | 21100322312310 |
5 | 304242232244 |
6 | 23231224500 |
7 | 3565064430 |
oct | 1120726664 |
9 | 354420280 |
10 | 155430324 |
11 | 7a811115 |
12 | 44078130 |
13 | 2628080a |
14 | 168dd9c0 |
15 | d9a3669 |
hex | 943adb4 |
155430324 has 36 divisors (see below), whose sum is σ = 449021664. Its totient is φ = 44408592.
The previous prime is 155430313. The next prime is 155430329. The reversal of 155430324 is 423034551.
155430324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155430329) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308142 + ... + 308645.
It is an arithmetic number, because the mean of its divisors is an integer number (12472824).
Almost surely, 2155430324 is an apocalyptic number.
155430324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
155430324 is an abundant number, since it is smaller than the sum of its proper divisors (293591340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155430324 is a wasteful number, since it uses less digits than its factorization.
155430324 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 616804 (or 616799 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
The square root of 155430324 is about 12467.1698472428. The cubic root of 155430324 is about 537.6651869429.
Adding to 155430324 its reverse (423034551), we get a palindrome (578464875).
It can be divided in two parts, 1554 and 30324, that added together give a triangular number (31878 = T252).
The spelling of 155430324 in words is "one hundred fifty-five million, four hundred thirty thousand, three hundred twenty-four".
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