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4207420 = 225741733
BaseRepresentation
bin10000000011001100111100
321220202111101
4100003030330
52034114140
6230102444
750522350
oct20031474
97822441
104207420
112414108
1214aaa24
13b440c9
147b7460
1558199a
hex40333c

4207420 has 48 divisors (see below), whose sum is σ = 10358208. Its totient is φ = 1405440.

The previous prime is 4207397. The next prime is 4207433. The reversal of 4207420 is 247024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5374 + ... + 6106.

It is an arithmetic number, because the mean of its divisors is an integer number (215796).

Almost surely, 24207420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4207420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5179104).

4207420 is an abundant number, since it is smaller than the sum of its proper divisors (6150788).

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

4207420 is a wasteful number, since it uses less digits than its factorization.

4207420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 4207420 is about 2051.1996489859. The cubic root of 4207420 is about 161.4378217255.

The spelling of 4207420 in words is "four million, two hundred seven thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 41 70 82 140 164 205 287 410 574 733 820 1148 1435 1466 2870 2932 3665 5131 5740 7330 10262 14660 20524 25655 30053 51310 60106 102620 120212 150265 210371 300530 420742 601060 841484 1051855 2103710 4207420