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4247530 = 25760679
BaseRepresentation
bin10000001100111111101010
321222210111221
4100030333222
52041410110
6231012254
751050320
oct20147752
97883457
104247530
112441261
12150a08a
13b59441
147c7d10
1558d7da
hex40cfea

4247530 has 16 divisors (see below), whose sum is σ = 8737920. Its totient is φ = 1456272.

The previous prime is 4247513. The next prime is 4247539. The reversal of 4247530 is 357424.

It is a super-2 number, since 2×42475302 = 36083022201800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4247495 and 4247504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4247539) 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, 30270 + ... + 30409.

It is an arithmetic number, because the mean of its divisors is an integer number (546120).

Almost surely, 24247530 is an apocalyptic number.

4247530 is an abundant number, since it is smaller than the sum of its proper divisors (4490390).

4247530 is a wasteful number, since it uses less digits than its factorization.

4247530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60693.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 4247530 is about 2060.9536627494. The cubic root of 4247530 is about 161.9492042136.

The spelling of 4247530 in words is "four million, two hundred forty-seven thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 60679 121358 303395 424753 606790 849506 2123765 4247530