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28482997 is a prime number
BaseRepresentation
bin110110010100…
…1110110110101
31222121002022211
41230221312311
524242423442
62454253421
7464046544
oct154516665
958532284
1028482997
1115094774
129657271
135b9365a
143ad615b
152779617
hex1b29db5

28482997 has 2 divisors, whose sum is σ = 28482998. Its totient is φ = 28482996.

The previous prime is 28482967. The next prime is 28483031. The reversal of 28482997 is 79928482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22524516 + 5958481 = 4746^2 + 2441^2 .

It is a cyclic number.

It is not a de Polignac number, because 28482997 - 27 = 28482869 is a prime.

It is a super-2 number, since 2×284829972 = 1622562236204018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28482997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28482917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14241498 + 14241499.

It is an arithmetic number, because the mean of its divisors is an integer number (14241499).

Almost surely, 228482997 is an apocalyptic number.

It is an amenable number.

28482997 is a deficient number, since it is larger than the sum of its proper divisors (1).

28482997 is an equidigital number, since it uses as much as digits as its factorization.

28482997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 49.

The square root of 28482997 is about 5336.9464115728. The cubic root of 28482997 is about 305.3949805235.

It can be divided in two parts, 28 and 482997, that added together give a square (483025 = 6952).

The spelling of 28482997 in words is "twenty-eight million, four hundred eighty-two thousand, nine hundred ninety-seven".