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4247427 = 32948821
BaseRepresentation
bin10000001100111110000011
321222210101010
4100030332003
52041404202
6231012003
751050112
oct20147603
97883333
104247427
112441178
12150a003
13b59392
147c7c79
1558d76c
hex40cf83

4247427 has 8 divisors (see below), whose sum is σ = 5858640. Its totient is φ = 2733920.

The previous prime is 4247417. The next prime is 4247429. The reversal of 4247427 is 7247424.

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

It is a cyclic number.

It is not a de Polignac number, because 4247427 - 26 = 4247363 is a prime.

It is a super-2 number, since 2×42474272 = 36081272240658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4247394 and 4247403.

It is not an unprimeable number, because it can be changed into a prime (4247429) 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, 24324 + ... + 24497.

It is an arithmetic number, because the mean of its divisors is an integer number (732330).

Almost surely, 24247427 is an apocalyptic number.

4247427 is a deficient number, since it is larger than the sum of its proper divisors (1611213).

4247427 is a wasteful number, since it uses less digits than its factorization.

4247427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48853.

The product of its digits is 12544, while the sum is 30.

The square root of 4247427 is about 2060.9286741661. The cubic root of 4247427 is about 161.9478951467.

The spelling of 4247427 in words is "four million, two hundred forty-seven thousand, four hundred twenty-seven".

Divisors: 1 3 29 87 48821 146463 1415809 4247427