Base | Representation |
---|---|
bin | 10010010111001… |
… | …11110010110000 |
3 | 101201212010020111 |
4 | 21023213302300 |
5 | 303413312040 |
6 | 23141351104 |
7 | 3550221433 |
oct | 1113476260 |
9 | 351763214 |
10 | 154041520 |
11 | 79a52746 |
12 | 43708494 |
13 | 25bb5639 |
14 | 1665b81a |
15 | d7cbdea |
hex | 92e7cb0 |
154041520 has 40 divisors (see below), whose sum is σ = 360374256. Its totient is φ = 61233408.
The previous prime is 154041497. The next prime is 154041521. The reversal of 154041520 is 25140451.
154041520 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 (40).
It is a junction number, because it is equal to n+sod(n) for n = 154041491 and 154041500.
It is not an unprimeable number, because it can be changed into a prime (154041521) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7134 + ... + 18946.
Almost surely, 2154041520 is an apocalyptic number.
154041520 is a gapful number since it is divisible by the number (10) 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 154041520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180187128).
154041520 is an abundant number, since it is smaller than the sum of its proper divisors (206332736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154041520 is a wasteful number, since it uses less digits than its factorization.
154041520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11989 (or 11983 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 22.
The square root of 154041520 is about 12411.3464217223. The cubic root of 154041520 is about 536.0590081319.
Adding to 154041520 its reverse (25140451), we get a palindrome (179181971).
The spelling of 154041520 in words is "one hundred fifty-four million, forty-one thousand, five hundred twenty".
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