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28151006 = 2132372251
BaseRepresentation
bin110101101100…
…0110011011110
31221222012220212
41223120303132
524201313011
62443212422
7461164622
oct153306336
957865825
1028151006
11149882a4
129517112
135aa8500
143a4b182
15271108b
hex1ad8cde

28151006 has 24 divisors (see below), whose sum is σ = 46981224. Its totient is φ = 12636000.

The previous prime is 28150999. The next prime is 28151029. The reversal of 28151006 is 60015182.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11381 + ... + 13631.

It is an arithmetic number, because the mean of its divisors is an integer number (1957551).

Almost surely, 228151006 is an apocalyptic number.

28151006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28151006 is a deficient number, since it is larger than the sum of its proper divisors (18830218).

28151006 is a wasteful number, since it uses less digits than its factorization.

28151006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316 (or 2303 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 28151006 is about 5305.7521615696. The cubic root of 28151006 is about 304.2038034930.

Adding to 28151006 its reverse (60015182), we get a palindrome (88166188).

The spelling of 28151006 in words is "twenty-eight million, one hundred fifty-one thousand, six".

Divisors: 1 2 13 26 37 74 169 338 481 962 2251 4502 6253 12506 29263 58526 83287 166574 380419 760838 1082731 2165462 14075503 28151006