Base | Representation |
---|---|
bin | 101001011111110… |
… | …0000010010010101 |
3 | 10121001000011221200 |
4 | 1102333200102111 |
5 | 10322422112104 |
6 | 350055303113 |
7 | 46335012036 |
oct | 12277402225 |
9 | 3531004850 |
10 | 1392379029 |
11 | 654a63a78 |
12 | 32a37aa99 |
13 | 192610a22 |
14 | d2ccaa8d |
15 | 8238bb39 |
hex | 52fe0495 |
1392379029 has 24 divisors (see below), whose sum is σ = 2056554240. Its totient is φ = 907556832.
The previous prime is 1392379019. The next prime is 1392379039. The reversal of 1392379029 is 9209732931.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1392379019) and next prime (1392379039).
It is not a de Polignac number, because 1392379029 - 25 = 1392378997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1392379019) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63727 + ... + 82739.
It is an arithmetic number, because the mean of its divisors is an integer number (85689760).
Almost surely, 21392379029 is an apocalyptic number.
It is an amenable number.
1392379029 is a deficient number, since it is larger than the sum of its proper divisors (664175211).
1392379029 is a wasteful number, since it uses less digits than its factorization.
1392379029 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19201 (or 19198 counting only the distinct ones).
The product of its (nonzero) digits is 183708, while the sum is 45.
The square root of 1392379029 is about 37314.5953884000. The cubic root of 1392379029 is about 1116.6553676538.
The spelling of 1392379029 in words is "one billion, three hundred ninety-two million, three hundred seventy-nine thousand, twenty-nine".
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