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20300498 = 210150249
BaseRepresentation
bin100110101110…
…0001011010010
31102012101001022
41031130023102
520144103443
62003035442
7334360061
oct115341322
942171038
1020300498
1110506079
12696bb82
13428a13a
1429a61d8
151baee68
hex135c2d2

20300498 has 4 divisors (see below), whose sum is σ = 30450750. Its totient is φ = 10150248.

The previous prime is 20300491. The next prime is 20300507. The reversal of 20300498 is 89400302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19245769 + 1054729 = 4387^2 + 1027^2 .

It is a super-2 number, since 2×203004982 = 824220438096008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20300491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5075123 + ... + 5075126.

Almost surely, 220300498 is an apocalyptic number.

20300498 is a deficient number, since it is larger than the sum of its proper divisors (10150252).

20300498 is a wasteful number, since it uses less digits than its factorization.

20300498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150251.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 20300498 is about 4505.6073952354. The cubic root of 20300498 is about 272.7944711114.

The spelling of 20300498 in words is "twenty million, three hundred thousand, four hundred ninety-eight".

Divisors: 1 2 10150249 20300498