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28892629 is a prime number
BaseRepresentation
bin110111000110…
…1110111010101
32000100220020101
41232031313111
524344031004
62511134101
7500404033
oct156156725
960326211
1028892629
1115344507
129814331
135ca7c3c
143ba1553
15280aba4
hex1b8ddd5

28892629 has 2 divisors, whose sum is σ = 28892630. Its totient is φ = 28892628.

The previous prime is 28892587. The next prime is 28892641. The reversal of 28892629 is 92629882.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27279729 + 1612900 = 5223^2 + 1270^2 .

It is a cyclic number.

It is not a de Polignac number, because 28892629 - 219 = 28368341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28892429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14446314 + 14446315.

It is an arithmetic number, because the mean of its divisors is an integer number (14446315).

Almost surely, 228892629 is an apocalyptic number.

It is an amenable number.

28892629 is a deficient number, since it is larger than the sum of its proper divisors (1).

28892629 is an equidigital number, since it uses as much as digits as its factorization.

28892629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 46.

The square root of 28892629 is about 5375.1864153720. The cubic root of 28892629 is about 306.8520438470.

The spelling of 28892629 in words is "twenty-eight million, eight hundred ninety-two thousand, six hundred twenty-nine".