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28892006 = 21113101021
BaseRepresentation
bin110111000110…
…1101101100110
32000100212101022
41232031231212
524344021011
62511131142
7500402153
oct156155546
960325338
1028892006
1115343aa0
129813ab2
135ca7880
143ba122a
15280a8db
hex1b8db66

28892006 has 16 divisors (see below), whose sum is σ = 50915088. Its totient is φ = 12122400.

The previous prime is 28891999. The next prime is 28892009. The reversal of 28892006 is 60029882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28892009) 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, 50225 + ... + 50796.

It is an arithmetic number, because the mean of its divisors is an integer number (3182193).

Almost surely, 228892006 is an apocalyptic number.

28892006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28892006 is a deficient number, since it is larger than the sum of its proper divisors (22023082).

28892006 is a wasteful number, since it uses less digits than its factorization.

28892006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101047.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 28892006 is about 5375.1284635811. The cubic root of 28892006 is about 306.8498383226.

The spelling of 28892006 in words is "twenty-eight million, eight hundred ninety-two thousand, six".

Divisors: 1 2 11 13 22 26 143 286 101021 202042 1111231 1313273 2222462 2626546 14446003 28892006