Base | Representation |
---|---|
bin | 10001010101100… |
… | …10011000010010 |
3 | 101010122211010021 |
4 | 20222302120102 |
5 | 244212343010 |
6 | 22233054054 |
7 | 3414112132 |
oct | 1052623022 |
9 | 333584107 |
10 | 145434130 |
11 | 751038a6 |
12 | 4085732a |
13 | 241908ca |
14 | 1545aac2 |
15 | cb7b8da |
hex | 8ab2612 |
145434130 has 24 divisors (see below), whose sum is σ = 271135332. Its totient is φ = 56164416.
The previous prime is 145434103. The next prime is 145434143. The reversal of 145434130 is 31434541.
It can be written as a sum of positive squares in 6 ways, for example, as 27342441 + 118091689 = 5229^2 + 10867^2 .
It is a junction number, because it is equal to n+sod(n) for n = 145434095 and 145434104.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 237 + ... + 17056.
Almost surely, 2145434130 is an apocalyptic number.
145434130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145434130 is a deficient number, since it is larger than the sum of its proper divisors (125701202).
145434130 is a wasteful number, since it uses less digits than its factorization.
145434130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17358 (or 17329 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 145434130 is about 12059.6073733766. The cubic root of 145434130 is about 525.8825729281.
Adding to 145434130 its reverse (31434541), we get a palindrome (176868671).
The spelling of 145434130 in words is "one hundred forty-five million, four hundred thirty-four thousand, one hundred thirty".
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