Base | Representation |
---|---|
bin | 10010011110011… |
… | …11100100000000 |
3 | 101210122100110210 |
4 | 21033033210000 |
5 | 304134201343 |
6 | 23213554120 |
7 | 3561254235 |
oct | 1117174400 |
9 | 353570423 |
10 | 154990848 |
11 | 7a540a11 |
12 | 43aa5940 |
13 | 2615877c |
14 | 1682778c |
15 | d918333 |
hex | 93cf900 |
154990848 has 72 divisors (see below), whose sum is σ = 426787200. Its totient is φ = 49874944.
The previous prime is 154990837. The next prime is 154990861. The reversal of 154990848 is 848099451.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 154990797 and 154990806.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18793 + ... + 25751.
It is an arithmetic number, because the mean of its divisors is an integer number (5927600).
Almost surely, 2154990848 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 154990848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213393600).
154990848 is an abundant number, since it is smaller than the sum of its proper divisors (271796352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154990848 is an equidigital number, since it uses as much as digits as its factorization.
154990848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7007 (or 6993 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 48.
The square root of 154990848 is about 12449.5320393981. The cubic root of 154990848 is about 537.1579628855.
The spelling of 154990848 in words is "one hundred fifty-four million, nine hundred ninety thousand, eight hundred forty-eight".
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