Base | Representation |
---|---|
bin | 10010010111000… |
… | …10100110000110 |
3 | 101201211001000222 |
4 | 21023202212012 |
5 | 303412121410 |
6 | 23141104342 |
7 | 3550102400 |
oct | 1113424606 |
9 | 351731028 |
10 | 154020230 |
11 | 79a38751 |
12 | 436b80b2 |
13 | 25ba8a40 |
14 | 16653b70 |
15 | d7c5955 |
hex | 92e2986 |
154020230 has 48 divisors (see below), whose sum is σ = 347321520. Its totient is φ = 48742848.
The previous prime is 154020211. The next prime is 154020241. The reversal of 154020230 is 32020451.
It is a junction number, because it is equal to n+sod(n) for n = 154020199 and 154020208.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5720 + ... + 18459.
It is an arithmetic number, because the mean of its divisors is an integer number (7235865).
Almost surely, 2154020230 is an apocalyptic number.
154020230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
154020230 is an abundant number, since it is smaller than the sum of its proper divisors (193301290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154020230 is a wasteful number, since it uses less digits than its factorization.
154020230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24213 (or 24206 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 154020230 is about 12410.4887091524. The cubic root of 154020230 is about 536.0343108466.
Adding to 154020230 its reverse (32020451), we get a palindrome (186040681).
The spelling of 154020230 in words is "one hundred fifty-four million, twenty thousand, two hundred thirty".
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