Base | Representation |
---|---|
bin | 101001100000000… |
… | …1011001111111001 |
3 | 10121001100010100011 |
4 | 1103000023033321 |
5 | 10322443230001 |
6 | 350103141521 |
7 | 46336344055 |
oct | 12300131771 |
9 | 3531303304 |
10 | 1392555001 |
11 | 655074202 |
12 | 32a4448a1 |
13 | 192672b56 |
14 | d2d34c65 |
15 | 823c3d51 |
hex | 5300b3f9 |
1392555001 has 4 divisors (see below), whose sum is σ = 1413339472. Its totient is φ = 1371770532.
The previous prime is 1392554981. The next prime is 1392555007. The reversal of 1392555001 is 1005552931.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1392555001 - 223 = 1384166393 is a prime.
It is a super-2 number, since 2×13925550012 = 3878418861620220002, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1392555007) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10392135 + ... + 10392268.
It is an arithmetic number, because the mean of its divisors is an integer number (353334868).
Almost surely, 21392555001 is an apocalyptic number.
It is an amenable number.
1392555001 is a deficient number, since it is larger than the sum of its proper divisors (20784471).
1392555001 is an equidigital number, since it uses as much as digits as its factorization.
1392555001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20784470.
The product of its (nonzero) digits is 6750, while the sum is 31.
The square root of 1392555001 is about 37316.9532652386. The cubic root of 1392555001 is about 1116.7024074796.
The spelling of 1392555001 in words is "one billion, three hundred ninety-two million, five hundred fifty-five thousand, one".
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