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2027390458 = 21013695229
BaseRepresentation
bin111100011010111…
…1000010111111010
312020021220002212111
41320311320113322
513123002443313
6533102002534
7101145351232
oct17065702772
95207802774
102027390458
11950455505
12486b7644a
13264047632
14153388cc2
15bcec343d
hex78d785fa

2027390458 has 4 divisors (see below), whose sum is σ = 3041085690. Its totient is φ = 1013695228.

The previous prime is 2027390447. The next prime is 2027390489. The reversal of 2027390458 is 8540937202.

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., 1283573929 + 743816529 = 35827^2 + 27273^2 .

It is a super-2 number, since 2×20273904582 = 8220624138378899528, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2027390458.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506847613 + ... + 506847616.

Almost surely, 22027390458 is an apocalyptic number.

2027390458 is a deficient number, since it is larger than the sum of its proper divisors (1013695232).

2027390458 is a wasteful number, since it uses less digits than its factorization.

2027390458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013695231.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 2027390458 is about 45026.5528105361. The cubic root of 2027390458 is about 1265.6466269722.

The spelling of 2027390458 in words is "two billion, twenty-seven million, three hundred ninety thousand, four hundred fifty-eight".

Divisors: 1 2 1013695229 2027390458