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424242620 = 22521212131
BaseRepresentation
bin11001010010010…
…110110110111100
31002120021202110122
4121102112312330
51332101230440
6110032554112
713341000644
oct3122266674
91076252418
10424242620
111a852383a
12ba0b2938
1369b7bb49
14404b5524
15273a17b5
hex19496dbc

424242620 has 12 divisors (see below), whose sum is σ = 890909544. Its totient is φ = 169697040.

The previous prime is 424242569. The next prime is 424242647. The reversal of 424242620 is 26242424.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 424242620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10606046 + ... + 10606085.

It is an arithmetic number, because the mean of its divisors is an integer number (74242462).

Almost surely, 2424242620 is an apocalyptic number.

It is an amenable number.

424242620 is an abundant number, since it is smaller than the sum of its proper divisors (466666924).

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

424242620 is a wasteful number, since it uses less digits than its factorization.

424242620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21212140 (or 21212138 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 424242620 is about 20597.1507738328. The cubic root of 424242620 is about 751.4004175541.

The spelling of 424242620 in words is "four hundred twenty-four million, two hundred forty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 21212131 42424262 84848524 106060655 212121310 424242620