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4227494 = 22113747
BaseRepresentation
bin10000001000000110100110
321221210000212
4100020012212
52040234434
6230335422
750635025
oct20100646
97853025
104227494
1124281a7
1214ba572
13b5029b
147c08bc
155878ce
hex4081a6

4227494 has 4 divisors (see below), whose sum is σ = 6341244. Its totient is φ = 2113746.

The previous prime is 4227491. The next prime is 4227511. The reversal of 4227494 is 4947224.

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

It is a d-powerful number, because it can be written as 4 + 2 + 215 + 73 + 43 + 9 + 411 .

It is a self number, because there is not a number n which added to its sum of digits gives 4227494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4227491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056872 + ... + 1056875.

It is an arithmetic number, because the mean of its divisors is an integer number (1585311).

Almost surely, 24227494 is an apocalyptic number.

4227494 is a deficient number, since it is larger than the sum of its proper divisors (2113750).

4227494 is a wasteful number, since it uses less digits than its factorization.

4227494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113749.

The product of its digits is 16128, while the sum is 32.

The square root of 4227494 is about 2056.0870604135. The cubic root of 4227494 is about 161.6941595406.

The spelling of 4227494 in words is "four million, two hundred twenty-seven thousand, four hundred ninety-four".

Divisors: 1 2 2113747 4227494