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498245021 = 2379274213
BaseRepresentation
bin11101101100101…
…001110110011101
31021201112110200022
4131230221312131
52010022320041
6121235041525
715230004251
oct3554516635
91251473608
10498245021
1123627894a
1211aa402a5
137c2bc351
144a25a261
152db1d24b
hex1db29d9d

498245021 has 8 divisors (see below), whose sum is σ = 526490880. Its totient is φ = 470547792.

The previous prime is 498244963. The next prime is 498245047. The reversal of 498245021 is 120542894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 498245021 - 222 = 494050717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498245521) 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, 135290 + ... + 138923.

It is an arithmetic number, because the mean of its divisors is an integer number (65811360).

Almost surely, 2498245021 is an apocalyptic number.

It is an amenable number.

498245021 is a deficient number, since it is larger than the sum of its proper divisors (28245859).

498245021 is a wasteful number, since it uses less digits than its factorization.

498245021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274315.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 498245021 is about 22321.4027560994. The cubic root of 498245021 is about 792.7708188863.

It can be divided in two parts, 49824 and 5021, that added together give a palindrome (54845).

The spelling of 498245021 in words is "four hundred ninety-eight million, two hundred forty-five thousand, twenty-one".

Divisors: 1 23 79 1817 274213 6306899 21662827 498245021