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4990365427 = 7170286837
BaseRepresentation
bin1001010010111001…
…01110111011110011
3110212210020211102011
410221130232323303
540210013143202
62143104503351
7234444256225
oct45134567363
913783224364
104990365427
112130a27453
12b7331ab57
13616b67468
14354ab4415
151e31a1bd7
hex12972eef3

4990365427 has 4 divisors (see below), whose sum is σ = 5060652336. Its totient is φ = 4920078520.

The previous prime is 4990365397. The next prime is 4990365433. The reversal of 4990365427 is 7245630994.

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

It is a cyclic number.

It is not a de Polignac number, because 4990365427 - 223 = 4981976819 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4990365437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35143348 + ... + 35143489.

It is an arithmetic number, because the mean of its divisors is an integer number (1265163084).

Almost surely, 24990365427 is an apocalyptic number.

4990365427 is a deficient number, since it is larger than the sum of its proper divisors (70286909).

4990365427 is an equidigital number, since it uses as much as digits as its factorization.

4990365427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70286908.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The square root of 4990365427 is about 70642.5185493836. The cubic root of 4990365427 is about 1708.8769145880.

The spelling of 4990365427 in words is "four billion, nine hundred ninety million, three hundred sixty-five thousand, four hundred twenty-seven".

Divisors: 1 71 70286837 4990365427