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1425301523 = 1637870679
BaseRepresentation
bin101010011110100…
…0110000000010011
310200022221211010022
41110331012000103
510404334122043
6353233054055
750214602012
oct12475060023
93608854108
101425301523
11671600148
123393b732b
13199399ca9
14d741aa79
15851e1868
hex54f46013

1425301523 has 4 divisors (see below), whose sum is σ = 1426173840. Its totient is φ = 1424429208.

The previous prime is 1425301487. The next prime is 1425301529. The reversal of 1425301523 is 3251035241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3251035241 = 9293349837.

It is a cyclic number.

It is not a de Polignac number, because 1425301523 - 214 = 1425285139 is a prime.

It is a super-2 number, since 2×14253015232 = 4062968862932239058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1425301492 and 1425301501.

It is not an unprimeable number, because it can be changed into a prime (1425301529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433703 + ... + 436976.

It is an arithmetic number, because the mean of its divisors is an integer number (356543460).

Almost surely, 21425301523 is an apocalyptic number.

1425301523 is a deficient number, since it is larger than the sum of its proper divisors (872317).

1425301523 is an equidigital number, since it uses as much as digits as its factorization.

1425301523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872316.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1425301523 is about 37753.1657348096. The cubic root of 1425301523 is about 1125.3879216621.

Adding to 1425301523 its reverse (3251035241), we get a palindrome (4676336764).

The spelling of 1425301523 in words is "one billion, four hundred twenty-five million, three hundred one thousand, five hundred twenty-three".

Divisors: 1 1637 870679 1425301523