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20242352 = 2413307317
BaseRepresentation
bin100110100110…
…1111110110000
31102002102021202
41031031332300
520140223402
62001510332
7334025414
oct115157660
942072252
1020242352
1110476419
1269423a8
134269830
14298cd44
151b9cb02
hex134dfb0

20242352 has 40 divisors (see below), whose sum is σ = 42507696. Its totient is φ = 9282816.

The previous prime is 20242351. The next prime is 20242363. The reversal of 20242352 is 25324202.

It is not an unprimeable number, because it can be changed into a prime (20242351) 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, 63698 + ... + 64014.

Almost surely, 220242352 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 20242352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21253848).

20242352 is an abundant number, since it is smaller than the sum of its proper divisors (22265344).

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

20242352 is a wasteful number, since it uses less digits than its factorization.

20242352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 20242352 is about 4499.1501419713. The cubic root of 20242352 is about 272.5337701884.

Adding to 20242352 its reverse (25324202), we get a palindrome (45566554).

The spelling of 20242352 in words is "twenty million, two hundred forty-two thousand, three hundred fifty-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 307 317 614 634 1228 1268 2456 2536 3991 4121 4912 5072 7982 8242 15964 16484 31928 32968 63856 65936 97319 194638 389276 778552 1265147 1557104 2530294 5060588 10121176 20242352