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494145774 = 23256948247
BaseRepresentation
bin11101011101000…
…001000011101110
31021102211012120100
4131131001003232
52003000131044
6121011131530
715150112143
oct3535010356
91242735510
10494145774
11233a29041
121195a3ba6
137b4b5565
14498b03ca
152d5ad869
hex1d7410ee

494145774 has 24 divisors (see below), whose sum is σ = 1072553040. Its totient is φ = 164422368.

The previous prime is 494145739. The next prime is 494145779. The reversal of 494145774 is 477541494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494145779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13882 + ... + 34365.

It is an arithmetic number, because the mean of its divisors is an integer number (44689710).

Almost surely, 2494145774 is an apocalyptic number.

494145774 is an abundant number, since it is smaller than the sum of its proper divisors (578407266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494145774 is a wasteful number, since it uses less digits than its factorization.

494145774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48824 (or 48821 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 494145774 is about 22229.3898701696. The cubic root of 494145774 is about 790.5906889223.

The spelling of 494145774 in words is "four hundred ninety-four million, one hundred forty-five thousand, seven hundred seventy-four".

Divisors: 1 2 3 6 9 18 569 1138 1707 3414 5121 10242 48247 96494 144741 289482 434223 868446 27452543 54905086 82357629 164715258 247072887 494145774