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494989079 = 1371952957
BaseRepresentation
bin11101100000001…
…110111100010111
31021111102001100212
4131200032330113
52003204122304
6121041200035
715160223564
oct3540167427
91244361325
10494989079
11234454692
1211993001b
137b71c360
1449a4d86b
152d6c866e
hex1d80ef17

494989079 has 8 divisors (see below), whose sum is σ = 533816640. Its totient is φ = 456268896.

The previous prime is 494989073. The next prime is 494989093. The reversal of 494989079 is 970989494.

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 494989079 - 24 = 494989063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494989073) 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, 17132 + ... + 35825.

It is an arithmetic number, because the mean of its divisors is an integer number (66727080).

Almost surely, 2494989079 is an apocalyptic number.

494989079 is a deficient number, since it is larger than the sum of its proper divisors (38827561).

494989079 is a wasteful number, since it uses less digits than its factorization.

494989079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53689.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The square root of 494989079 is about 22248.3500287100. The cubic root of 494989079 is about 791.0401717864.

It can be divided in two parts, 4949 and 89079, that multiplied together give a triangular number (440851971 = T29693).

The spelling of 494989079 in words is "four hundred ninety-four million, nine hundred eighty-nine thousand, seventy-nine".

Divisors: 1 13 719 9347 52957 688441 38076083 494989079