Base | Representation |
---|---|
bin | 11101010000011… |
… | …11011101001101 |
3 | 122002211010210110 |
4 | 32220033131031 |
5 | 1000312230333 |
6 | 40204230233 |
7 | 6040056426 |
oct | 1650173515 |
9 | 562733713 |
10 | 245430093 |
11 | 1165a2297 |
12 | 6a23b379 |
13 | 3bb0260c |
14 | 2484a64d |
15 | 16830063 |
hex | ea0f74d |
245430093 has 12 divisors (see below), whose sum is σ = 329436960. Its totient is φ = 162528912.
The previous prime is 245430091. The next prime is 245430109. The reversal of 245430093 is 390034542.
It is not a de Polignac number, because 245430093 - 21 = 245430091 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 245430093.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245430091) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72288 + ... + 75606.
It is an arithmetic number, because the mean of its divisors is an integer number (27453080).
Almost surely, 2245430093 is an apocalyptic number.
It is an amenable number.
245430093 is a deficient number, since it is larger than the sum of its proper divisors (84006867).
245430093 is an equidigital number, since it uses as much as digits as its factorization.
245430093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3636 (or 3479 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 30.
The square root of 245430093 is about 15666.2086351485. The cubic root of 245430093 is about 626.0984144728.
The spelling of 245430093 in words is "two hundred forty-five million, four hundred thirty thousand, ninety-three".
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