Base | Representation |
---|---|
bin | 101010011000101… |
… | …0011111110000101 |
3 | 10200010010220110110 |
4 | 1110301103332011 |
5 | 10403041303442 |
6 | 353042543233 |
7 | 50146416402 |
oct | 12461237605 |
9 | 3603126413 |
10 | 1422212997 |
11 | 66a890747 |
12 | 338367b19 |
13 | 19885826a |
14 | d6c552a9 |
15 | 84cd169c |
hex | 54c53f85 |
1422212997 has 8 divisors (see below), whose sum is σ = 1936630656. Its totient is φ = 927968672.
The previous prime is 1422212989. The next prime is 1422213031. The reversal of 1422212997 is 7992122241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1422212997 - 23 = 1422212989 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1422212497) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5043168 + ... + 5043449.
It is an arithmetic number, because the mean of its divisors is an integer number (242078832).
Almost surely, 21422212997 is an apocalyptic number.
It is an amenable number.
1422212997 is a deficient number, since it is larger than the sum of its proper divisors (514417659).
1422212997 is a wasteful number, since it uses less digits than its factorization.
1422212997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10086667.
The product of its digits is 36288, while the sum is 39.
The square root of 1422212997 is about 37712.2393527619. The cubic root of 1422212997 is about 1124.5744555469.
The spelling of 1422212997 in words is "one billion, four hundred twenty-two million, two hundred twelve thousand, nine hundred ninety-seven".
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