Base | Representation |
---|---|
bin | 10010011000100… |
… | …01111011101101 |
3 | 101202011220000021 |
4 | 21030101323231 |
5 | 303434323000 |
6 | 23145202141 |
7 | 3551540602 |
oct | 1114217355 |
9 | 352156007 |
10 | 154214125 |
11 | 7a06039a |
12 | 43790351 |
13 | 25c46080 |
14 | 166a46a9 |
15 | d81311a |
hex | 9311eed |
154214125 has 32 divisors (see below), whose sum is σ = 212179968. Its totient is φ = 111182400.
The previous prime is 154214111. The next prime is 154214129. The reversal of 154214125 is 521412451.
It is not a de Polignac number, because 154214125 - 221 = 152116973 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a self number, because there is not a number n which added to its sum of digits gives 154214125.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154214129) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68772 + ... + 70978.
It is an arithmetic number, because the mean of its divisors is an integer number (6630624).
Almost surely, 2154214125 is an apocalyptic number.
It is an amenable number.
154214125 is a deficient number, since it is larger than the sum of its proper divisors (57965843).
154214125 is a wasteful number, since it uses less digits than its factorization.
154214125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2278 (or 2268 counting only the distinct ones).
The product of its digits is 1600, while the sum is 25.
The square root of 154214125 is about 12418.2979912708. The cubic root of 154214125 is about 536.2591531484.
Adding to 154214125 its reverse (521412451), we get a palindrome (675626576).
The spelling of 154214125 in words is "one hundred fifty-four million, two hundred fourteen thousand, one hundred twenty-five".
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