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20746102 = 213261379
BaseRepresentation
bin100111100100…
…0111101110110
31110001000022011
41033020331312
520302333402
62020354434
7341224156
oct117107566
943030264
1020746102
111078a943
126b45a1a
1343b4c00
142a80766
151c4bed7
hex13c8f76

20746102 has 12 divisors (see below), whose sum is σ = 33697620. Its totient is φ = 9574968.

The previous prime is 20746097. The next prime is 20746109. The reversal of 20746102 is 20164702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20746109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30352 + ... + 31027.

It is an arithmetic number, because the mean of its divisors is an integer number (2808135).

Almost surely, 220746102 is an apocalyptic number.

20746102 is a deficient number, since it is larger than the sum of its proper divisors (12951518).

20746102 is a wasteful number, since it uses less digits than its factorization.

20746102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61407 (or 61394 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 20746102 is about 4554.7889083908. The cubic root of 20746102 is about 274.7760247943.

The spelling of 20746102 in words is "twenty million, seven hundred forty-six thousand, one hundred two".

Divisors: 1 2 13 26 169 338 61379 122758 797927 1595854 10373051 20746102