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28703466 = 23211144967
BaseRepresentation
bin110110101111…
…1101011101010
32000000021202100
41231133223222
524322002331
62503114230
7465655401
oct155375352
960007670
1028703466
1115225380
129742976
135c3cacc
143b52638
1527beae6
hex1b5faea

28703466 has 24 divisors (see below), whose sum is σ = 67845024. Its totient is φ = 8697960.

The previous prime is 28703447. The next prime is 28703473. The reversal of 28703466 is 66430782.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28703466.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72286 + ... + 72681.

It is an arithmetic number, because the mean of its divisors is an integer number (2826876).

Almost surely, 228703466 is an apocalyptic number.

28703466 is an abundant number, since it is smaller than the sum of its proper divisors (39141558).

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

28703466 is a wasteful number, since it uses less digits than its factorization.

28703466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144986 (or 144983 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 28703466 is about 5357.5615722080. The cubic root of 28703466 is about 306.1809131400.

It can be divided in two parts, 2870 and 3466, that added together give a palindrome (6336).

The spelling of 28703466 in words is "twenty-eight million, seven hundred three thousand, four hundred sixty-six".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 144967 289934 434901 869802 1304703 1594637 2609406 3189274 4783911 9567822 14351733 28703466