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4642978027 = 5392819439
BaseRepresentation
bin1000101001011111…
…00011100011101011
3102222120120201111011
410110233203203223
534002100244102
62044415044351
7223025443042
oct42457434353
912876521434
104642978027
111a72927126
12a96b106b7
1358cbb749c
143208c7559
151c29322d7
hex114be38eb

4642978027 has 8 divisors (see below), whose sum is σ = 4731592320. Its totient is φ = 4554401280.

The previous prime is 4642977991. The next prime is 4642978031. The reversal of 4642978027 is 7208792464.

It is a happy number.

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 4642978027 - 227 = 4508760299 is a prime.

It is a super-3 number, since 3×46429780273 (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4642978727) 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, 487174 + ... + 496612.

It is an arithmetic number, because the mean of its divisors is an integer number (591449040).

Almost surely, 24642978027 is an apocalyptic number.

4642978027 is a deficient number, since it is larger than the sum of its proper divisors (88614293).

4642978027 is an equidigital number, since it uses as much as digits as its factorization.

4642978027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18773.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The square root of 4642978027 is about 68139.4014282485. The cubic root of 4642978027 is about 1668.2669373396.

The spelling of 4642978027 in words is "four billion, six hundred forty-two million, nine hundred seventy-eight thousand, twenty-seven".

Divisors: 1 53 9281 9439 491893 500267 87603359 4642978027