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20299482 = 2327315197
BaseRepresentation
bin100110101101…
…1111011011010
31102012022122200
41031123323122
520144040412
62003031030
7334354110
oct115337332
942168580
1020299482
1110505335
12696b476
134289838
1429a5ab0
151bae9dc
hex135beda

20299482 has 48 divisors (see below), whose sum is σ = 51896832. Its totient is φ = 5611680.

The previous prime is 20299457. The next prime is 20299493. The reversal of 20299482 is 28499202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1308 + ... + 6504.

It is an arithmetic number, because the mean of its divisors is an integer number (1081184).

Almost surely, 220299482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20299482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25948416).

20299482 is an abundant number, since it is smaller than the sum of its proper divisors (31597350).

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

20299482 is a wasteful number, since it uses less digits than its factorization.

20299482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243 (or 5240 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 20299482 is about 4505.4946454302. The cubic root of 20299482 is about 272.7899200932.

It can be divided in two parts, 2029 and 9482, that added together give a palindrome (11511).

The spelling of 20299482 in words is "twenty million, two hundred ninety-nine thousand, four hundred eighty-two".

Divisors: 1 2 3 6 7 9 14 18 21 31 42 62 63 93 126 186 217 279 434 558 651 1302 1953 3906 5197 10394 15591 31182 36379 46773 72758 93546 109137 161107 218274 322214 327411 483321 654822 966642 1127749 1449963 2255498 2899926 3383247 6766494 10149741 20299482