Base | Representation |
---|---|
bin | 11101001110110… |
… | …10011101010100 |
3 | 122002102010000102 |
4 | 32213122131110 |
5 | 1000233304022 |
6 | 40155433232 |
7 | 6035163512 |
oct | 1647323524 |
9 | 562363012 |
10 | 245213012 |
11 | 116464190 |
12 | 6a155818 |
13 | 3ba57875 |
14 | 247d14b2 |
15 | 167daa92 |
hex | e9da754 |
245213012 has 48 divisors (see below), whose sum is σ = 496601280. Its totient is φ = 104774400.
The previous prime is 245212999. The next prime is 245213021. The reversal of 245213012 is 210312542.
It is a super-2 number, since 2×2452130122 = 120258842508224288, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113462 + ... + 115602.
It is an arithmetic number, because the mean of its divisors is an integer number (10345860).
Almost surely, 2245213012 is an apocalyptic number.
245213012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
245213012 is an abundant number, since it is smaller than the sum of its proper divisors (251388268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245213012 is a wasteful number, since it uses less digits than its factorization.
245213012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2312 (or 2310 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 245213012 is about 15659.2787828814. The cubic root of 245213012 is about 625.9137669701.
Adding to 245213012 its reverse (210312542), we get a palindrome (455525554).
The spelling of 245213012 in words is "two hundred forty-five million, two hundred thirteen thousand, twelve".
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