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4247969 = 11419419
BaseRepresentation
bin10000001101000110100001
321222211010012
4100031012201
52041413334
6231014305
751051515
oct20150641
97884105
104247969
112441620
12150a395
13b596bb
147c8145
1558d9ce
hex40d1a1

4247969 has 8 divisors (see below), whose sum is σ = 4747680. Its totient is φ = 3767200.

The previous prime is 4247923. The next prime is 4247981. The reversal of 4247969 is 9697424.

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 4247969 - 216 = 4182433 is a prime.

It is a super-2 number, since 2×42479692 = 36090481249922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a d-powerful number, because it can be written as 43 + 25 + 411 + 73 + 9 + 66 + 94 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4247069) 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, 4259 + ... + 5160.

It is an arithmetic number, because the mean of its divisors is an integer number (593460).

Almost surely, 24247969 is an apocalyptic number.

It is an amenable number.

4247969 is a deficient number, since it is larger than the sum of its proper divisors (499711).

4247969 is a wasteful number, since it uses less digits than its factorization.

4247969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9471.

The product of its digits is 108864, while the sum is 41.

The square root of 4247969 is about 2061.0601640903. The cubic root of 4247969 is about 161.9547833974.

The spelling of 4247969 in words is "four million, two hundred forty-seven thousand, nine hundred sixty-nine".

Divisors: 1 11 41 451 9419 103609 386179 4247969