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4230749 = 19415431
BaseRepresentation
bin10000001000111001011101
321221221111102
4100020321131
52040340444
6230402445
750650355
oct20107135
97857442
104230749
11242a696
121500425
13b51903
147c1b65
1558884e
hex408e5d

4230749 has 8 divisors (see below), whose sum is σ = 4562880. Its totient is φ = 3909600.

The previous prime is 4230731. The next prime is 4230757. The reversal of 4230749 is 9470324.

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 4230749 - 28 = 4230493 is a prime.

It is a d-powerful number, because it can be written as 45 + 215 + 35 + 0 + 74 + 411 + 9 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4230719) 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, 1937 + ... + 3494.

It is an arithmetic number, because the mean of its divisors is an integer number (570360).

Almost surely, 24230749 is an apocalyptic number.

It is an amenable number.

4230749 is a deficient number, since it is larger than the sum of its proper divisors (332131).

4230749 is a wasteful number, since it uses less digits than its factorization.

4230749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 4230749 is about 2056.8784601916. The cubic root of 4230749 is about 161.7356482229.

The spelling of 4230749 in words is "four million, two hundred thirty thousand, seven hundred forty-nine".

Divisors: 1 19 41 779 5431 103189 222671 4230749