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540354231 = 32173531727
BaseRepresentation
bin100000001101010…
…010011010110111
31101122202211122200
4200031102122313
52101312313411
6125341355543
716250635524
oct4015223267
91348684580
10540354231
1125801a14a
12130b68bb3
1387c43c41
1451a9c14b
1532689e56
hex203526b7

540354231 has 12 divisors (see below), whose sum is σ = 826424352. Its totient is φ = 339045696.

The previous prime is 540354229. The next prime is 540354307. The reversal of 540354231 is 132453045.

It is not a de Polignac number, because 540354231 - 21 = 540354229 is a prime.

It is a super-2 number, since 2×5403542312 = 583965389919202722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 540354195 and 540354204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540354431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1765711 + ... + 1766016.

It is an arithmetic number, because the mean of its divisors is an integer number (68868696).

Almost surely, 2540354231 is an apocalyptic number.

540354231 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

540354231 is a deficient number, since it is larger than the sum of its proper divisors (286070121).

540354231 is a wasteful number, since it uses less digits than its factorization.

540354231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531750 (or 3531747 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 540354231 is about 23245.5206652809. The cubic root of 540354231 is about 814.5033073292.

The spelling of 540354231 in words is "five hundred forty million, three hundred fifty-four thousand, two hundred thirty-one".

Divisors: 1 3 9 17 51 153 3531727 10595181 31785543 60039359 180118077 540354231