Base | Representation |
---|---|
bin | 10010011010111… |
… | …11001010000000 |
3 | 101202202221220100 |
4 | 21031133022000 |
5 | 304024433212 |
6 | 23200042400 |
7 | 3554326020 |
oct | 1115371200 |
9 | 352687810 |
10 | 154530432 |
11 | 7a257001 |
12 | 43903400 |
13 | 26027034 |
14 | 16747a80 |
15 | d876bdc |
hex | 935f280 |
154530432 has 96 divisors (see below), whose sum is σ = 508229280. Its totient is φ = 44149248.
The previous prime is 154530419. The next prime is 154530451. The reversal of 154530432 is 234035451.
It is a tau number, because it is divible by the number of its divisors (96).
It is a junction number, because it is equal to n+sod(n) for n = 154530396 and 154530405.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1518 + ... + 17645.
It is an arithmetic number, because the mean of its divisors is an integer number (5294055).
Almost surely, 2154530432 is an apocalyptic number.
154530432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 154530432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254114640).
154530432 is an abundant number, since it is smaller than the sum of its proper divisors (353698848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154530432 is a wasteful number, since it uses less digits than its factorization.
154530432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19190 (or 19175 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
The square root of 154530432 is about 12431.0269889499. The cubic root of 154530432 is about 536.6255413020.
Adding to 154530432 its reverse (234035451), we get a palindrome (388565883).
The spelling of 154530432 in words is "one hundred fifty-four million, five hundred thirty thousand, four hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •