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4238724 = 223750461
BaseRepresentation
bin10000001010110110000100
321222100102210
4100022312010
52041114344
6230503420
751012540
oct20126604
97870383
104238724
112435686
121504b70
13b55429
147c4a20
1558adb9
hex40ad84

4238724 has 24 divisors (see below), whose sum is σ = 11303488. Its totient is φ = 1211040.

The previous prime is 4238719. The next prime is 4238747. The reversal of 4238724 is 4278324.

It is a super-2 number, since 2×42387242 = 35933562296352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 45 + 213 + 33 + 8 + 74 + 215 + 411 .

It is a junction number, because it is equal to n+sod(n) for n = 4238691 and 4238700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25147 + ... + 25314.

Almost surely, 24238724 is an apocalyptic number.

It is an amenable number.

4238724 is an abundant number, since it is smaller than the sum of its proper divisors (7064764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4238724 is a wasteful number, since it uses less digits than its factorization.

4238724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50475 (or 50473 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 4238724 is about 2058.8161646927. The cubic root of 4238724 is about 161.8372088203.

The spelling of 4238724 in words is "four million, two hundred thirty-eight thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 50461 100922 151383 201844 302766 353227 605532 706454 1059681 1412908 2119362 4238724