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425474685 = 3259454993
BaseRepresentation
bin11001010111000…
…011101001111101
31002122121100112200
4121113003221331
51332410142220
6110115222113
713354321656
oct3127035175
91078540480
10425474685
111a9195479
12ba5a7939
136a1c088c
144071652d
1527546890
hex195c3a7d

425474685 has 12 divisors (see below), whose sum is σ = 737489532. Its totient is φ = 226919808.

The previous prime is 425474681. The next prime is 425474711. The reversal of 425474685 is 586474524.

425474685 is a `hidden beast` number, since 42 + 547 + 4 + 68 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 328116996 + 97357689 = 18114^2 + 9867^2 .

It is not a de Polignac number, because 425474685 - 22 = 425474681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 9454993 = 425474685 / (4 + 2 + 5 + 4 + 7 + 4 + 6 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 425474685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425474681) 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 11 ways as a sum of consecutive naturals, for example, 4727452 + ... + 4727541.

It is an arithmetic number, because the mean of its divisors is an integer number (61457461).

Almost surely, 2425474685 is an apocalyptic number.

425474685 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

425474685 is a deficient number, since it is larger than the sum of its proper divisors (312014847).

425474685 is a wasteful number, since it uses less digits than its factorization.

425474685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9455004 (or 9455001 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The square root of 425474685 is about 20627.0377175202. The cubic root of 425474685 is about 752.1271081778.

The spelling of 425474685 in words is "four hundred twenty-five million, four hundred seventy-four thousand, six hundred eighty-five".

Divisors: 1 3 5 9 15 45 9454993 28364979 47274965 85094937 141824895 425474685