Base | Representation |
---|---|
bin | 101110010010001… |
… | …1010111001101101 |
3 | 11000020100011210111 |
4 | 1130210122321231 |
5 | 11140040114440 |
6 | 414035140021 |
7 | 53325501124 |
oct | 13444327155 |
9 | 4006304714 |
10 | 1553051245 |
11 | 727725429 |
12 | 374144611 |
13 | 1b99a8445 |
14 | 10a392abb |
15 | 915284ea |
hex | 5c91ae6d |
1553051245 has 12 divisors (see below), whose sum is σ = 1882358100. Its totient is φ = 1230099200.
The previous prime is 1553051233. The next prime is 1553051251. The reversal of 1553051245 is 5421503551.
It can be written as a sum of positive squares in 6 ways, for example, as 133494916 + 1419556329 = 11554^2 + 37677^2 .
It is not a de Polignac number, because 1553051245 - 27 = 1553051117 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35781 + ... + 66229.
It is an arithmetic number, because the mean of its divisors is an integer number (156863175).
Almost surely, 21553051245 is an apocalyptic number.
It is an amenable number.
1553051245 is a deficient number, since it is larger than the sum of its proper divisors (329306855).
1553051245 is an equidigital number, since it uses as much as digits as its factorization.
1553051245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30656 (or 30555 counting only the distinct ones).
The product of its (nonzero) digits is 15000, while the sum is 31.
The square root of 1553051245 is about 39408.7711683579. The cubic root of 1553051245 is about 1158.0534250197.
Adding to 1553051245 its reverse (5421503551), we get a palindrome (6974554796).
The spelling of 1553051245 in words is "one billion, five hundred fifty-three million, fifty-one thousand, two hundred forty-five".
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