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493426161 = 3443141667
BaseRepresentation
bin11101011010010…
…001010111110001
31021101110122110000
4131122101113301
52002304114121
6120543500213
715141024144
oct3532212761
91241418400
10493426161
11233587418
121192b7669
137b2c2b57
144976405b
152d4ba526
hex1d6915f1

493426161 has 20 divisors (see below), whose sum is σ = 754240432. Its totient is φ = 321298488.

The previous prime is 493426159. The next prime is 493426169. The reversal of 493426161 is 161624394.

493426161 is a `hidden beast` number, since 4 + 9 + 34 + 2 + 616 + 1 = 666.

It is not a de Polignac number, because 493426161 - 21 = 493426159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493426169) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 67351 + ... + 74316.

Almost surely, 2493426161 is an apocalyptic number.

It is an amenable number.

493426161 is a deficient number, since it is larger than the sum of its proper divisors (260814271).

493426161 is a wasteful number, since it uses less digits than its factorization.

493426161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141722 (or 141713 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 493426161 is about 22213.1979012478. The cubic root of 493426161 is about 790.2067295328.

The spelling of 493426161 in words is "four hundred ninety-three million, four hundred twenty-six thousand, one hundred sixty-one".

Divisors: 1 3 9 27 43 81 129 387 1161 3483 141667 425001 1275003 3825009 6091681 11475027 18275043 54825129 164475387 493426161