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424210340 = 225191517393
BaseRepresentation
bin11001010010001…
…110111110100100
31002120020010012002
4121102032332210
51332044212330
6110032144432
713340504561
oct3122167644
91076203162
10424210340
111a8501564
12ba098118
1369b6a248
14404a7868
1527396e45
hex1948efa4

424210340 has 48 divisors (see below), whose sum is σ = 944065920. Its totient is φ = 159667200.

The previous prime is 424210327. The next prime is 424210343. The reversal of 424210340 is 43012424.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (424210343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53684 + ... + 61076.

It is an arithmetic number, because the mean of its divisors is an integer number (19668040).

Almost surely, 2424210340 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 424210340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472032960).

424210340 is an abundant number, since it is smaller than the sum of its proper divisors (519855580).

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

424210340 is a wasteful number, since it uses less digits than its factorization.

424210340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7572 (or 7570 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 424210340 is about 20596.3671553990. The cubic root of 424210340 is about 751.3813594181.

Adding to 424210340 its reverse (43012424), we get a palindrome (467222764).

The spelling of 424210340 in words is "four hundred twenty-four million, two hundred ten thousand, three hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 151 190 302 380 604 755 1510 2869 3020 5738 7393 11476 14345 14786 28690 29572 36965 57380 73930 140467 147860 280934 561868 702335 1116343 1404670 2232686 2809340 4465372 5581715 11163430 21210517 22326860 42421034 84842068 106052585 212105170 424210340