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28954903 is a prime number
BaseRepresentation
bin110111001110…
…1000100010111
32000111001122211
41232131010113
524403024103
62512334251
7501053425
oct156350427
960431584
1028954903
111538727a
129844387
135cca3a3
143bba115
15281e36d
hex1b9d117

28954903 has 2 divisors, whose sum is σ = 28954904. Its totient is φ = 28954902.

The previous prime is 28954901. The next prime is 28954943. The reversal of 28954903 is 30945982.

It is a happy number.

It is an a-pointer prime, because the next prime (28954943) can be obtained adding 28954903 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28954903 - 21 = 28954901 is a prime.

Together with 28954901, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28954901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14477451 + 14477452.

It is an arithmetic number, because the mean of its divisors is an integer number (14477452).

Almost surely, 228954903 is an apocalyptic number.

28954903 is a deficient number, since it is larger than the sum of its proper divisors (1).

28954903 is an equidigital number, since it uses as much as digits as its factorization.

28954903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 28954903 is about 5380.9760267074. The cubic root of 28954903 is about 307.0723444612.

The spelling of 28954903 in words is "twenty-eight million, nine hundred fifty-four thousand, nine hundred three".