Base | Representation |
---|---|
bin | 1110101101001… |
… | …01100011010001 |
3 | 22121010102011001 |
4 | 13112211203101 |
5 | 223040031424 |
6 | 20124022001 |
7 | 3025361326 |
oct | 726454321 |
9 | 277112131 |
10 | 123361489 |
11 | 636a8349 |
12 | 35391901 |
13 | 1c732c84 |
14 | 12552b4d |
15 | ac6b844 |
hex | 75a58d1 |
123361489 has 8 divisors (see below), whose sum is σ = 130277952. Its totient is φ = 116574480.
The previous prime is 123361457. The next prime is 123361499. The reversal of 123361489 is 984163321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 123361489 - 25 = 123361457 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123361429) 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, 30402 + ... + 34219.
It is an arithmetic number, because the mean of its divisors is an integer number (16284744).
Almost surely, 2123361489 is an apocalyptic number.
It is an amenable number.
123361489 is a deficient number, since it is larger than the sum of its proper divisors (6916463).
123361489 is an equidigital number, since it uses as much as digits as its factorization.
123361489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64727.
The product of its digits is 31104, while the sum is 37.
The square root of 123361489 is about 11106.8217326110. The cubic root of 123361489 is about 497.8057028741.
The spelling of 123361489 in words is "one hundred twenty-three million, three hundred sixty-one thousand, four hundred eighty-nine".
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