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20274926 = 272206887
BaseRepresentation
bin100110101010…
…1111011101110
31102011001222012
41031111323232
520142244201
62002321222
7334222400
oct115257356
942131865
1020274926
1110498941
126959212
13427b5c9
14299ab70
151ba75bb
hex1355eee

20274926 has 12 divisors (see below), whose sum is σ = 35377848. Its totient is φ = 8689212.

The previous prime is 20274913. The next prime is 20274941. The reversal of 20274926 is 62947202.

It is a super-2 number, since 2×202749262 = 822145248610952, which contains 22 as substring.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 20274892 and 20274901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103346 + ... + 103541.

It is an arithmetic number, because the mean of its divisors is an integer number (2948154).

Almost surely, 220274926 is an apocalyptic number.

20274926 is a deficient number, since it is larger than the sum of its proper divisors (15102922).

20274926 is a wasteful number, since it uses less digits than its factorization.

20274926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206903 (or 206896 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 20274926 is about 4502.7687038088. The cubic root of 20274926 is about 272.6798789901.

The spelling of 20274926 in words is "twenty million, two hundred seventy-four thousand, nine hundred twenty-six".

Divisors: 1 2 7 14 49 98 206887 413774 1448209 2896418 10137463 20274926