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28625119 is a prime number
BaseRepresentation
bin110110100110…
…0100011011111
31222212022021121
41231030203133
524312000434
62501311411
7465211105
oct155144337
958768247
1028625119
1115181526
129705567
135c13253
143b31c75
1527a67b4
hex1b4c8df

28625119 has 2 divisors, whose sum is σ = 28625120. Its totient is φ = 28625118.

The previous prime is 28625111. The next prime is 28625131. The reversal of 28625119 is 91152682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28625119 - 23 = 28625111 is a prime.

It is a super-2 number, since 2×286251192 = 1638794875528322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28625111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14312559 + 14312560.

It is an arithmetic number, because the mean of its divisors is an integer number (14312560).

Almost surely, 228625119 is an apocalyptic number.

28625119 is a deficient number, since it is larger than the sum of its proper divisors (1).

28625119 is an equidigital number, since it uses as much as digits as its factorization.

28625119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 34.

The square root of 28625119 is about 5350.2447607563. The cubic root of 28625119 is about 305.9020825299.

The spelling of 28625119 in words is "twenty-eight million, six hundred twenty-five thousand, one hundred nineteen".