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28060770 = 235935359
BaseRepresentation
bin110101100001…
…0110001100010
31221210122010210
41223002301202
524140421040
62441234550
7460340553
oct153026142
957718123
1028060770
1114926521
129492a56
135a7640a
143a2632a
1526e4480
hex1ac2c62

28060770 has 16 divisors (see below), whose sum is σ = 67345920. Its totient is φ = 7482864.

The previous prime is 28060757. The next prime is 28060771. The reversal of 28060770 is 7706082.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 935359 = 28060770 / (2 + 8 + 0 + 6 + 0 + 7 + 7 + 0).

It is not an unprimeable number, because it can be changed into a prime (28060771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467650 + ... + 467709.

It is an arithmetic number, because the mean of its divisors is an integer number (4209120).

Almost surely, 228060770 is an apocalyptic number.

28060770 is an abundant number, since it is smaller than the sum of its proper divisors (39285150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28060770 is a wasteful number, since it uses less digits than its factorization.

28060770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935369.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 28060770 is about 5297.2417350920. The cubic root of 28060770 is about 303.8784212011.

The spelling of 28060770 in words is "twenty-eight million, sixty thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 935359 1870718 2806077 4676795 5612154 9353590 14030385 28060770