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493132131 = 3447129533
BaseRepresentation
bin11101011001001…
…001100101100011
31021100220201010000
4131121021211203
52002220212011
6120533311043
715135361002
oct3531114543
91240821100
10493132131
112333a6518
12119195483
137b21c07b
14496c8c39
152d45d356
hex1d649963

493132131 has 20 divisors (see below), whose sum is σ = 752333472. Its totient is φ = 321757488.

The previous prime is 493132117. The next prime is 493132169. The reversal of 493132131 is 131231394.

It is not a de Polignac number, because 493132131 - 26 = 493132067 is a prime.

It is a super-2 number, since 2×4931321312 = 486358597249202322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 493132095 and 493132104.

It is not an unprimeable number, because it can be changed into a prime (493132331) 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, 60960 + ... + 68573.

Almost surely, 2493132131 is an apocalyptic number.

493132131 is a deficient number, since it is larger than the sum of its proper divisors (259201341).

493132131 is a wasteful number, since it uses less digits than its factorization.

493132131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129592 (or 129583 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 493132131 is about 22206.5785523119. The cubic root of 493132131 is about 790.0497383628.

The spelling of 493132131 in words is "four hundred ninety-three million, one hundred thirty-two thousand, one hundred thirty-one".

Divisors: 1 3 9 27 47 81 141 423 1269 3807 129533 388599 1165797 3497391 6088051 10492173 18264153 54792459 164377377 493132131