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20103028 = 2211479721
BaseRepresentation
bin100110010101…
…1111101110100
31101211100011121
41030223331310
520121244103
61554513324
7332605261
oct114537564
941740147
1020103028
1110390780
126895844
13421b2aa
142954268
151b716bd
hex132bf74

20103028 has 24 divisors (see below), whose sum is σ = 39199104. Its totient is φ = 8942400.

The previous prime is 20102983. The next prime is 20103047. The reversal of 20103028 is 82030102.

It is a happy number.

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, 2793 + ... + 6928.

It is an arithmetic number, because the mean of its divisors is an integer number (1633296).

Almost surely, 220103028 is an apocalyptic number.

It is an amenable number.

20103028 is a deficient number, since it is larger than the sum of its proper divisors (19096076).

20103028 is a wasteful number, since it uses less digits than its factorization.

20103028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9783 (or 9781 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 20103028 is about 4483.6400390754. The cubic root of 20103028 is about 271.9070652804.

The spelling of 20103028 in words is "twenty million, one hundred three thousand, twenty-eight".

Divisors: 1 2 4 11 22 44 47 94 188 517 1034 2068 9721 19442 38884 106931 213862 427724 456887 913774 1827548 5025757 10051514 20103028