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494369748 = 223213732493
BaseRepresentation
bin11101011101110…
…111101111010100
31021110020120210200
4131131313233110
52003024312443
6121020020500
715152034135
oct3535675724
91243216720
10494369748
11234071344
12119691730
137b5634a2
144992bc8c
152d604dd3
hex1d777bd4

494369748 has 18 divisors (see below), whose sum is σ = 1249656954. Its totient is φ = 164789904.

The previous prime is 494369747. The next prime is 494369749. The reversal of 494369748 is 847963494.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (494369747) and next prime (494369749).

It can be written as a sum of positive squares in only one way, i.e., 426505104 + 67864644 = 20652^2 + 8238^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 494369694 and 494369703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494369747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6866211 + ... + 6866282.

Almost surely, 2494369748 is an apocalyptic number.

It is an amenable number.

494369748 is an abundant number, since it is smaller than the sum of its proper divisors (755287206).

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

494369748 is a wasteful number, since it uses less digits than its factorization.

494369748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13732503 (or 13732498 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 494369748 is about 22234.4270895384. The cubic root of 494369748 is about 790.7101172517.

It can be divided in two parts, 4943 and 69748, that added together give a triangular number (74691 = T386).

The spelling of 494369748 in words is "four hundred ninety-four million, three hundred sixty-nine thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 13732493 27464986 41197479 54929972 82394958 123592437 164789916 247184874 494369748