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425485471 = 493786183
BaseRepresentation
bin11001010111000…
…110010010011111
31002122121220100011
4121113012102133
51332411013341
6110115344051
713354365265
oct3127062237
91078556304
10425485471
111a91a2594
12ba5b2027
136a1c5768
144071a435
1527549b81
hex195c649f

425485471 has 4 divisors (see below), whose sum is σ = 425576592. Its totient is φ = 425394352.

The previous prime is 425485453. The next prime is 425485483. The reversal of 425485471 is 174584524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425485471 - 27 = 425485343 is a prime.

It is a super-3 number, since 3×4254854713 (a number of 27 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 (425485171) 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, 38155 + ... + 48028.

It is an arithmetic number, because the mean of its divisors is an integer number (106394148).

Almost surely, 2425485471 is an apocalyptic number.

425485471 is a deficient number, since it is larger than the sum of its proper divisors (91121).

425485471 is an equidigital number, since it uses as much as digits as its factorization.

425485471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91120.

The product of its digits is 179200, while the sum is 40.

The square root of 425485471 is about 20627.2991688199. The cubic root of 425485471 is about 752.1334637259.

The spelling of 425485471 in words is "four hundred twenty-five million, four hundred eighty-five thousand, four hundred seventy-one".

Divisors: 1 4937 86183 425485471