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425530133 = 770186719
BaseRepresentation
bin11001010111010…
…001001100010101
31002122201011121022
4121113101030111
51332413431013
6110120330525
713354642430
oct3127211425
91078634538
10425530133
111a92230a6
12ba613a45
136a20cba2
144072c817
1527558008
hex195d1315

425530133 has 8 divisors (see below), whose sum is σ = 487019520. Its totient is φ = 364215600.

The previous prime is 425530123. The next prime is 425530159. The reversal of 425530133 is 331035524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 425530133 - 220 = 424481557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425530123) 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, 38453 + ... + 48266.

It is an arithmetic number, because the mean of its divisors is an integer number (60877440).

Almost surely, 2425530133 is an apocalyptic number.

It is an amenable number.

425530133 is a deficient number, since it is larger than the sum of its proper divisors (61489387).

425530133 is an equidigital number, since it uses as much as digits as its factorization.

425530133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87427.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 425530133 is about 20628.3817348817. The cubic root of 425530133 is about 752.1597792421.

Adding to 425530133 its reverse (331035524), we get a palindrome (756565657).

The spelling of 425530133 in words is "four hundred twenty-five million, five hundred thirty thousand, one hundred thirty-three".

Divisors: 1 7 701 4907 86719 607033 60790019 425530133