Base | Representation |
---|---|
bin | 100000000001001… |
… | …1001101010010101 |
3 | 2202212121201020201 |
4 | 1000002121222111 |
5 | 4200014334341 |
6 | 254335300501 |
7 | 35424001420 |
oct | 10002315225 |
9 | 2685551221 |
10 | 1074371221 |
11 | 501500000 |
12 | 25b97a731 |
13 | 141779521 |
14 | a298a9b7 |
15 | 644c2331 |
hex | 40099a95 |
1074371221 has 24 divisors (see below), whose sum is σ = 1352054592. Its totient is φ = 836293920.
The previous prime is 1074371209. The next prime is 1074371227. The reversal of 1074371221 is 1221734701.
It is not a de Polignac number, because 1074371221 - 215 = 1074338453 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1074371221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1074371227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1126881 + ... + 1127833.
It is an arithmetic number, because the mean of its divisors is an integer number (56335608).
Almost surely, 21074371221 is an apocalyptic number.
1074371221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1074371221 is a deficient number, since it is larger than the sum of its proper divisors (277683371).
1074371221 is an frugal number, since it uses more digits than its factorization.
1074371221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1015 (or 971 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 28.
The square root of 1074371221 is about 32777.6024290978. The cubic root of 1074371221 is about 1024.2000408369.
The spelling of 1074371221 in words is "one billion, seventy-four million, three hundred seventy-one thousand, two hundred twenty-one".
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