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538677081 = 3323983477
BaseRepresentation
bin100000000110111…
…000111101011001
31101112121122001000
4200012320331121
52100400131311
6125241415213
716230452055
oct4006707531
91345548030
10538677081
11257084078
1213049a509
13877a7747
1451782c65
1532458056
hex201b8f59

538677081 has 16 divisors (see below), whose sum is σ = 801388800. Its totient is φ = 357611184.

The previous prime is 538677077. The next prime is 538677121. The reversal of 538677081 is 180776835.

It is not a de Polignac number, because 538677081 - 22 = 538677077 is a prime.

It is a super-2 number, since 2×5386770812 = 580345995189361122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (538678081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35286 + ... + 48191.

It is an arithmetic number, because the mean of its divisors is an integer number (50086800).

Almost surely, 2538677081 is an apocalyptic number.

It is an amenable number.

538677081 is a deficient number, since it is larger than the sum of its proper divisors (262711719).

538677081 is a wasteful number, since it uses less digits than its factorization.

538677081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83725 (or 83719 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 538677081 is about 23209.4179375529. The cubic root of 538677081 is about 813.6597495951.

The spelling of 538677081 in words is "five hundred thirty-eight million, six hundred seventy-seven thousand, eighty-one".

Divisors: 1 3 9 27 239 717 2151 6453 83477 250431 751293 2253879 19951003 59853009 179559027 538677081