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28323067 is a prime number
BaseRepresentation
bin110110000001…
…0110011111011
31222021221221111
41230002303323
524222314232
62451021151
7462512353
oct154026373
958257844
1028323067
1114a955a3
12959a7b7
135b38916
143a93b63
152747047
hex1b02cfb

28323067 has 2 divisors, whose sum is σ = 28323068. Its totient is φ = 28323066.

The previous prime is 28323047. The next prime is 28323077. The reversal of 28323067 is 76032382.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28323067 is a prime.

It is a super-2 number, since 2×283230672 = 1604392248572978, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28323047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14161533 + 14161534.

It is an arithmetic number, because the mean of its divisors is an integer number (14161534).

Almost surely, 228323067 is an apocalyptic number.

28323067 is a deficient number, since it is larger than the sum of its proper divisors (1).

28323067 is an equidigital number, since it uses as much as digits as its factorization.

28323067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 28323067 is about 5321.9420327546. The cubic root of 28323067 is about 304.8223170041.

The spelling of 28323067 in words is "twenty-eight million, three hundred twenty-three thousand, sixty-seven".