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493144229 = 1889261061
BaseRepresentation
bin11101011001001…
…100100010100101
31021100221022201002
4131121030202211
52002221103404
6120533443045
715135441164
oct3531144245
91240838632
10493144229
11233404616
121191a0485
137b224726
14496cd3db
152d461c1e
hex1d64c8a5

493144229 has 4 divisors (see below), whose sum is σ = 493407180. Its totient is φ = 492881280.

The previous prime is 493144189. The next prime is 493144271. The reversal of 493144229 is 922441394.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 394936129 + 98208100 = 19873^2 + 9910^2 .

It is a cyclic number.

It is not a de Polignac number, because 493144229 - 228 = 224708773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 493144192 and 493144201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493140229) 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, 128642 + ... + 132419.

It is an arithmetic number, because the mean of its divisors is an integer number (123351795).

Almost surely, 2493144229 is an apocalyptic number.

It is an amenable number.

493144229 is a deficient number, since it is larger than the sum of its proper divisors (262951).

493144229 is a wasteful number, since it uses less digits than its factorization.

493144229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262950.

The product of its digits is 62208, while the sum is 38.

The square root of 493144229 is about 22206.8509473991. The cubic root of 493144229 is about 790.0561990678.

The spelling of 493144229 in words is "four hundred ninety-three million, one hundred forty-four thousand, two hundred twenty-nine".

Divisors: 1 1889 261061 493144229