Base | Representation |
---|---|
bin | 10010011011110… |
… | …11111010100110 |
3 | 101202222221111020 |
4 | 21031323322212 |
5 | 304042220410 |
6 | 23202352010 |
7 | 3555326322 |
oct | 1115737246 |
9 | 352887436 |
10 | 154648230 |
11 | 7a327560 |
12 | 4395b606 |
13 | 26068839 |
14 | 16778982 |
15 | d89ba70 |
hex | 937bea6 |
154648230 has 64 divisors (see below), whose sum is σ = 406999296. Its totient is φ = 37296000.
The previous prime is 154648211. The next prime is 154648231. The reversal of 154648230 is 32846451.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 154648191 and 154648200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154648231) 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 31 ways as a sum of consecutive naturals, for example, 68520 + ... + 70740.
It is an arithmetic number, because the mean of its divisors is an integer number (6359364).
Almost surely, 2154648230 is an apocalyptic number.
154648230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 154648230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203499648).
154648230 is an abundant number, since it is smaller than the sum of its proper divisors (252351066).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154648230 is a wasteful number, since it uses less digits than its factorization.
154648230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2453.
The product of its (nonzero) digits is 23040, while the sum is 33.
The square root of 154648230 is about 12435.7641502241. The cubic root of 154648230 is about 536.7618625842.
The spelling of 154648230 in words is "one hundred fifty-four million, six hundred forty-eight thousand, two hundred thirty".
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