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538982390 = 2553898239
BaseRepresentation
bin100000001000000…
…011011111110110
31101120012010211202
4200020003133312
52100434414030
6125252132502
716233163142
oct4010033766
91346163752
10538982390
112572724a1
12130607132
13878836bb
1451822222
15324b8745
hex202037f6

538982390 has 8 divisors (see below), whose sum is σ = 970168320. Its totient is φ = 215592952.

The previous prime is 538982333. The next prime is 538982393. The reversal of 538982390 is 93289835.

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

It is a super-2 number, since 2×5389823902 = 581004033460224200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538982393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26949110 + ... + 26949129.

It is an arithmetic number, because the mean of its divisors is an integer number (121271040).

Almost surely, 2538982390 is an apocalyptic number.

538982390 is a deficient number, since it is larger than the sum of its proper divisors (431185930).

538982390 is a wasteful number, since it uses less digits than its factorization.

538982390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53898246.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 538982390 is about 23215.9942711916. The cubic root of 538982390 is about 813.8134413805.

The spelling of 538982390 in words is "five hundred thirty-eight million, nine hundred eighty-two thousand, three hundred ninety".

Divisors: 1 2 5 10 53898239 107796478 269491195 538982390