Base | Representation |
---|---|
bin | 100101000110110… |
… | …0010000001111100 |
3 | 10012202210122221102 |
4 | 1022031202001330 |
5 | 10022213424434 |
6 | 323313552232 |
7 | 42565563110 |
oct | 11215420174 |
9 | 3182718842 |
10 | 1245061244 |
11 | 589893a39 |
12 | 2a8b75678 |
13 | 16ac4093b |
14 | bb4dd740 |
15 | 7448c07e |
hex | 4a36207c |
1245061244 has 12 divisors (see below), whose sum is σ = 2490122544. Its totient is φ = 533597664.
The previous prime is 1245061217. The next prime is 1245061253. The reversal of 1245061244 is 4421605421.
1245061244 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22233209 + ... + 22233264.
It is an arithmetic number, because the mean of its divisors is an integer number (207510212).
Almost surely, 21245061244 is an apocalyptic number.
1245061244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
1245061244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1245061244 is a wasteful number, since it uses less digits than its factorization.
1245061244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44466484 (or 44466482 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 29.
The square root of 1245061244 is about 35285.4253764922. The cubic root of 1245061244 is about 1075.7967755108.
Adding to 1245061244 its reverse (4421605421), we get a palindrome (5666666665).
The spelling of 1245061244 in words is "one billion, two hundred forty-five million, sixty-one thousand, two hundred forty-four".
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