Base | Representation |
---|---|
bin | 10010010111000… |
… | …01000000100000 |
3 | 101201210201010011 |
4 | 21023201000200 |
5 | 303411414403 |
6 | 23141014304 |
7 | 3550044421 |
oct | 1113410040 |
9 | 351721104 |
10 | 154013728 |
11 | 79a33880 |
12 | 436b4394 |
13 | 25ba5aab |
14 | 16651648 |
15 | d7c3a6d |
hex | 92e1020 |
154013728 has 24 divisors (see below), whose sum is σ = 330780240. Its totient is φ = 70006080.
The previous prime is 154013723. The next prime is 154013747. The reversal of 154013728 is 827310451.
It is a self number, because there is not a number n which added to its sum of digits gives 154013728.
It is not an unprimeable number, because it can be changed into a prime (154013723) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218418 + ... + 219121.
It is an arithmetic number, because the mean of its divisors is an integer number (13782510).
Almost surely, 2154013728 is an apocalyptic number.
It is an amenable number.
154013728 is an abundant number, since it is smaller than the sum of its proper divisors (176766512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154013728 is a wasteful number, since it uses less digits than its factorization.
154013728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 437560 (or 437552 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 31.
The square root of 154013728 is about 12410.2267505473. The cubic root of 154013728 is about 536.0267678026.
The spelling of 154013728 in words is "one hundred fifty-four million, thirteen thousand, seven hundred twenty-eight".
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