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427538985 = 3528502599
BaseRepresentation
bin11001011110111…
…011101000101001
31002210111020020020
4121132323220221
51333422221420
6110231351053
713411010226
oct3136735051
91083436206
10427538985
111aa375405
12bb222489
136a764363
1440ad294d
1527803340
hex197bba29

427538985 has 8 divisors (see below), whose sum is σ = 684062400. Its totient is φ = 228020784.

The previous prime is 427538983. The next prime is 427538987. The reversal of 427538985 is 589835724.

It is an interprime number because it is at equal distance from previous prime (427538983) and next prime (427538987).

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

It is not a de Polignac number, because 427538985 - 21 = 427538983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427538983) 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, 14251285 + ... + 14251314.

It is an arithmetic number, because the mean of its divisors is an integer number (85507800).

Almost surely, 2427538985 is an apocalyptic number.

It is an amenable number.

427538985 is a deficient number, since it is larger than the sum of its proper divisors (256523415).

427538985 is a wasteful number, since it uses less digits than its factorization.

427538985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28502607.

The product of its digits is 2419200, while the sum is 51.

The square root of 427538985 is about 20677.0158630301. The cubic root of 427538985 is about 753.3415257199.

The spelling of 427538985 in words is "four hundred twenty-seven million, five hundred thirty-eight thousand, nine hundred eighty-five".

Divisors: 1 3 5 15 28502599 85507797 142512995 427538985