Base | Representation |
---|---|
bin | 10010010111111… |
… | …01011110010000 |
3 | 101202000122001101 |
4 | 21023331132100 |
5 | 303424132240 |
6 | 23143314144 |
7 | 3551041351 |
oct | 1113753620 |
9 | 352018041 |
10 | 154130320 |
11 | 7a003433 |
12 | 4374b954 |
13 | 25c16b96 |
14 | 16681d28 |
15 | d7e839a |
hex | 92fd790 |
154130320 has 40 divisors (see below), whose sum is σ = 359479224. Its totient is φ = 61458432.
The previous prime is 154130311. The next prime is 154130321. The reversal of 154130320 is 23031451.
It can be written as a sum of positive squares in 4 ways, for example, as 8976016 + 145154304 = 2996^2 + 12048^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (154130321) 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, 24102 + ... + 29818.
Almost surely, 2154130320 is an apocalyptic number.
154130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
154130320 is an abundant number, since it is smaller than the sum of its proper divisors (205348904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154130320 is a wasteful number, since it uses less digits than its factorization.
154130320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6067 (or 6061 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 154130320 is about 12414.9232780553. The cubic root of 154130320 is about 536.1619952916.
Adding to 154130320 its reverse (23031451), we get a palindrome (177161771).
It can be divided in two parts, 154 and 130320, that multiplied together give a triangular number (20069280 = T6335).
The spelling of 154130320 in words is "one hundred fifty-four million, one hundred thirty thousand, three hundred twenty".
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