Base | Representation |
---|---|
bin | 101010011110000… |
… | …0001010110111111 |
3 | 10200022102112102112 |
4 | 1110330001112333 |
5 | 10404301122401 |
6 | 353223044235 |
7 | 50212321166 |
oct | 12474012677 |
9 | 3608375375 |
10 | 1425020351 |
11 | 671428977 |
12 | 3392a067b |
13 | 1992cc011 |
14 | d73863dd |
15 | 851883bb |
hex | 54f015bf |
1425020351 has 8 divisors (see below), whose sum is σ = 1429617840. Its totient is φ = 1420431552.
The previous prime is 1425020309. The next prime is 1425020383. The reversal of 1425020351 is 1530205241.
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 1425020351 - 214 = 1425003967 is a prime.
It is a super-3 number, since 3×14250203513 (a number of 28 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1425020251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481091 + ... + 484043.
It is an arithmetic number, because the mean of its divisors is an integer number (178702230).
Almost surely, 21425020351 is an apocalyptic number.
1425020351 is a deficient number, since it is larger than the sum of its proper divisors (4597489).
1425020351 is an equidigital number, since it uses as much as digits as its factorization.
1425020351 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4345.
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 1425020351 is about 37749.4417309713. The cubic root of 1425020351 is about 1125.3139143083.
Adding to 1425020351 its reverse (1530205241), we get a palindrome (2955225592).
The spelling of 1425020351 in words is "one billion, four hundred twenty-five million, twenty thousand, three hundred fifty-one".
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