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20274712 = 2329281311
BaseRepresentation
bin100110101010…
…1111000011000
31102011001200021
41031111320120
520142242322
62002320224
7334221643
oct115257030
942131607
1020274712
1110498767
126959074
13427b493
14299aa5a
151ba74c7
hex1355e18

20274712 has 32 divisors (see below), whose sum is σ = 39592800. Its totient is φ = 9721600.

The previous prime is 20274703. The next prime is 20274733. The reversal of 20274712 is 21747202.

It is a super-2 number, since 2×202747122 = 822127893365888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65037 + ... + 65347.

It is an arithmetic number, because the mean of its divisors is an integer number (1237275).

Almost surely, 220274712 is an apocalyptic number.

It is an amenable number.

20274712 is a deficient number, since it is larger than the sum of its proper divisors (19318088).

20274712 is a wasteful number, since it uses less digits than its factorization.

20274712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 20274712 is about 4502.7449405890. The cubic root of 20274712 is about 272.6789196163.

The spelling of 20274712 in words is "twenty million, two hundred seventy-four thousand, seven hundred twelve".

Divisors: 1 2 4 8 29 58 116 232 281 311 562 622 1124 1244 2248 2488 8149 9019 16298 18038 32596 36076 65192 72152 87391 174782 349564 699128 2534339 5068678 10137356 20274712