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1494747385 = 51925396197
BaseRepresentation
bin101100100011000…
…0000100011111001
310212011122000221021
41121012000203321
511030123404020
6404153342441
752020100045
oct13106004371
93764560837
101494747385
116a782291a
12358707a21
131aa8a3511
14102737025
158b35d1aa
hex591808f9

1494747385 has 16 divisors (see below), whose sum is σ = 1889150400. Its totient is φ = 1132232256.

The previous prime is 1494747323. The next prime is 1494747403. The reversal of 1494747385 is 5837474941.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1494747385 - 217 = 1494616313 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238107 + ... + 244303.

It is an arithmetic number, because the mean of its divisors is an integer number (118071900).

Almost surely, 21494747385 is an apocalyptic number.

It is an amenable number.

1494747385 is a deficient number, since it is larger than the sum of its proper divisors (394403015).

1494747385 is a wasteful number, since it uses less digits than its factorization.

1494747385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8760.

The product of its digits is 3386880, while the sum is 52.

The square root of 1494747385 is about 38661.9630256923. The cubic root of 1494747385 is about 1143.3765147205.

The spelling of 1494747385 in words is "one billion, four hundred ninety-four million, seven hundred forty-seven thousand, three hundred eighty-five".

Divisors: 1 5 19 95 2539 6197 12695 30985 48241 117743 241205 588715 15734183 78670915 298949477 1494747385