Base | Representation |
---|---|
bin | 100100101010110… |
… | …1100010110011110 |
3 | 10011202020222200001 |
4 | 1021111230112132 |
5 | 10004442022304 |
6 | 322032124514 |
7 | 42330266251 |
oct | 11125542636 |
9 | 3152228601 |
10 | 1230423454 |
11 | 5815a6397 |
12 | 2a409673a |
13 | 167bb7120 |
14 | b95ad098 |
15 | 73049da4 |
hex | 4956c59e |
1230423454 has 16 divisors (see below), whose sum is σ = 1993890528. Its totient is φ = 566092512.
The previous prime is 1230423427. The next prime is 1230423463. The reversal of 1230423454 is 4543240321.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66402 + ... + 82885.
It is an arithmetic number, because the mean of its divisors is an integer number (124618158).
Almost surely, 21230423454 is an apocalyptic number.
1230423454 is a deficient number, since it is larger than the sum of its proper divisors (763467074).
1230423454 is a wasteful number, since it uses less digits than its factorization.
1230423454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149619.
The product of its (nonzero) digits is 11520, while the sum is 28.
The square root of 1230423454 is about 35077.3923489190. The cubic root of 1230423454 is about 1071.5642111638.
Adding to 1230423454 its reverse (4543240321), we get a palindrome (5773663775).
The spelling of 1230423454 in words is "one billion, two hundred thirty million, four hundred twenty-three thousand, four hundred fifty-four".
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