Base | Representation |
---|---|
bin | 10010011010001… |
… | …10110001000010 |
3 | 101202120212212021 |
4 | 21031012301002 |
5 | 304013234110 |
6 | 23153552054 |
7 | 3553431532 |
oct | 1115066102 |
9 | 352525767 |
10 | 154430530 |
11 | 7a198a41 |
12 | 4387562a |
13 | 25cc0717 |
14 | 1671d4c2 |
15 | d8572da |
hex | 9346c42 |
154430530 has 16 divisors (see below), whose sum is σ = 286942464. Its totient is φ = 59779440.
The previous prime is 154430527. The next prime is 154430531. The reversal of 154430530 is 35034451.
It is a junction number, because it is equal to n+sod(n) for n = 154430495 and 154430504.
It is not an unprimeable number, because it can be changed into a prime (154430531) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248772 + ... + 249391.
It is an arithmetic number, because the mean of its divisors is an integer number (17933904).
Almost surely, 2154430530 is an apocalyptic number.
154430530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
154430530 is a deficient number, since it is larger than the sum of its proper divisors (132511934).
154430530 is a wasteful number, since it uses less digits than its factorization.
154430530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 498201.
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 154430530 is about 12427.0080872268. The cubic root of 154430530 is about 536.5098757963.
Adding to 154430530 its reverse (35034451), we get a palindrome (189464981).
The spelling of 154430530 in words is "one hundred fifty-four million, four hundred thirty thousand, five hundred thirty".
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