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28822073 = 76167499
BaseRepresentation
bin110110111110…
…0101000111001
32000020022110012
41231330220321
524334301243
62505431305
7466661240
oct155745071
960208405
1028822073
11152a64a5
12979b535
135c81aa7
143b83957
1527e4d18
hex1b7ca39

28822073 has 8 divisors (see below), whose sum is σ = 33480000. Its totient is φ = 24299280.

The previous prime is 28822063. The next prime is 28822099. The reversal of 28822073 is 37022882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28822073 - 26 = 28822009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28822063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33323 + ... + 34176.

It is an arithmetic number, because the mean of its divisors is an integer number (4185000).

Almost surely, 228822073 is an apocalyptic number.

It is an amenable number.

28822073 is a deficient number, since it is larger than the sum of its proper divisors (4657927).

28822073 is an equidigital number, since it uses as much as digits as its factorization.

28822073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67567.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 28822073 is about 5368.6192824599. The cubic root of 28822073 is about 306.6020619790.

The spelling of 28822073 in words is "twenty-eight million, eight hundred twenty-two thousand, seventy-three".

Divisors: 1 7 61 427 67499 472493 4117439 28822073