Base | Representation |
---|---|
bin | 100100100001010… |
… | …0010001111010110 |
3 | 10011101210211120102 |
4 | 1021002202033112 |
5 | 10002200320202 |
6 | 321332334102 |
7 | 42236511356 |
oct | 11102421726 |
9 | 3141724512 |
10 | 1225401302 |
11 | 579786154 |
12 | 2a2474332 |
13 | 166b49238 |
14 | b8a62b66 |
15 | 728a6d02 |
hex | 490a23d6 |
1225401302 has 8 divisors (see below), whose sum is σ = 1838293056. Its totient is φ = 612636952.
The previous prime is 1225401299. The next prime is 1225401329. The reversal of 1225401302 is 2031045221.
It is a sphenic number, since it is the product of 3 distinct primes.
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, 2333 + ... + 49560.
It is an arithmetic number, because the mean of its divisors is an integer number (229786632).
Almost surely, 21225401302 is an apocalyptic number.
1225401302 is a deficient number, since it is larger than the sum of its proper divisors (612891754).
1225401302 is a wasteful number, since it uses less digits than its factorization.
1225401302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63702.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 1225401302 is about 35005.7324162772. The cubic root of 1225401302 is about 1070.1043081123.
Adding to 1225401302 its reverse (2031045221), we get a palindrome (3256446523).
The spelling of 1225401302 in words is "one billion, two hundred twenty-five million, four hundred one thousand, three hundred two".
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