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494030653 = 3111588523
BaseRepresentation
bin11101011100100…
…100111100111101
31021102121100122121
4131130210330331
52002432440103
6121004442541
715146122414
oct3534447475
91242540577
10494030653
1123395a5a6
12119549451
137b47503c
144988047b
152d5896bd
hex1d724f3d

494030653 has 4 divisors (see below), whose sum is σ = 495619488. Its totient is φ = 492441820.

The previous prime is 494030651. The next prime is 494030671. The reversal of 494030653 is 356030494.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 494030653 - 21 = 494030651 is a prime.

It is a super-2 number, since 2×4940306532 = 488132572207212818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494030651) 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, 793951 + ... + 794572.

It is an arithmetic number, because the mean of its divisors is an integer number (123904872).

Almost surely, 2494030653 is an apocalyptic number.

It is an amenable number.

494030653 is a deficient number, since it is larger than the sum of its proper divisors (1588835).

494030653 is a wasteful number, since it uses less digits than its factorization.

494030653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588834.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 494030653 is about 22226.8003320316. The cubic root of 494030653 is about 790.5292895915.

The spelling of 494030653 in words is "four hundred ninety-four million, thirty thousand, six hundred fifty-three".

Divisors: 1 311 1588523 494030653