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662364427 = 1315056217
BaseRepresentation
bin100111011110101…
…110000100001011
31201011100121011211
4213132232010023
52324031130202
6145420433551
722262001424
oct4736560413
91634317154
10662364427
1130a98421a
121659a88b7
13a72c2b1a
1463d7c64b
153d23b1d7
hex277ae10b

662364427 has 4 divisors (see below), whose sum is σ = 667420776. Its totient is φ = 657308080.

The previous prime is 662364407. The next prime is 662364481. The reversal of 662364427 is 724463266.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724463266 = 2362231633.

It is a cyclic number.

It is not a de Polignac number, because 662364427 - 27 = 662364299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 662364427.

It is not an unprimeable number, because it can be changed into a prime (662364407) 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, 2527978 + ... + 2528239.

It is an arithmetic number, because the mean of its divisors is an integer number (166855194).

Almost surely, 2662364427 is an apocalyptic number.

662364427 is a deficient number, since it is larger than the sum of its proper divisors (5056349).

662364427 is a wasteful number, since it uses less digits than its factorization.

662364427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056348.

The product of its digits is 290304, while the sum is 40.

The square root of 662364427 is about 25736.4416149552. The cubic root of 662364427 is about 871.6972315840.

The spelling of 662364427 in words is "six hundred sixty-two million, three hundred sixty-four thousand, four hundred twenty-seven".

Divisors: 1 131 5056217 662364427