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28036006 = 222362861
BaseRepresentation
bin110101011110…
…0101110100110
31221202101011121
41222330232212
524134123011
62440524154
7460205425
oct152745646
957671147
1028036006
1114909959
12948065a
135a6806b
143a1b2bc
1526dbe71
hex1abcba6

28036006 has 8 divisors (see below), whose sum is σ = 42243264. Its totient is φ = 13954920.

The previous prime is 28036003. The next prime is 28036013. The reversal of 28036006 is 60063082.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28036003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30985 + ... + 31876.

It is an arithmetic number, because the mean of its divisors is an integer number (5280408).

Almost surely, 228036006 is an apocalyptic number.

28036006 is a deficient number, since it is larger than the sum of its proper divisors (14207258).

28036006 is a wasteful number, since it uses less digits than its factorization.

28036006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63086.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 28036006 is about 5294.9037762739. The cubic root of 28036006 is about 303.7890026520.

Adding to 28036006 its reverse (60063082), we get a palindrome (88099088).

The spelling of 28036006 in words is "twenty-eight million, thirty-six thousand, six".

Divisors: 1 2 223 446 62861 125722 14018003 28036006