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494405801 = 1737273931
BaseRepresentation
bin11101011110000…
…000100010101001
31021110022102020222
4131132000202221
52003031441201
6121020455425
715152244221
oct3536004251
91243272228
10494405801
1123409643a
121196aa575
137b576a16
144993b081
152d61091b
hex1d7808a9

494405801 has 8 divisors (see below), whose sum is σ = 498074304. Its totient is φ = 490746960.

The previous prime is 494405789. The next prime is 494405827. The reversal of 494405801 is 108504494.

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 a de Polignac number, because none of the positive numbers 2k-494405801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494485801) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 123806 + ... + 127736.

It is an arithmetic number, because the mean of its divisors is an integer number (62259288).

Almost surely, 2494405801 is an apocalyptic number.

It is an amenable number.

494405801 is a deficient number, since it is larger than the sum of its proper divisors (3668503).

494405801 is a wasteful number, since it uses less digits than its factorization.

494405801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 494405801 is about 22235.2378219798. The cubic root of 494405801 is about 790.7293382086.

It can be divided in two parts, 49 and 4405801, that multiplied together give a square (215884249 = 146932).

The spelling of 494405801 in words is "four hundred ninety-four million, four hundred five thousand, eight hundred one".

Divisors: 1 173 727 3931 125771 680063 2857837 494405801