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28400482 = 2112694799
BaseRepresentation
bin110110001010…
…1101101100010
31222102220010201
41230111231202
524232303412
62452415414
7463254145
oct154255542
958386121
1028400482
1115038780
12961756a
135b64c26
143ab405c
15275ee57
hex1b15b62

28400482 has 16 divisors (see below), whose sum is σ = 46656000. Its totient is φ = 12858640.

The previous prime is 28400473. The next prime is 28400503.

28400482 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 28400482.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3519 + ... + 8317.

It is an arithmetic number, because the mean of its divisors is an integer number (2916000).

Almost surely, 228400482 is an apocalyptic number.

28400482 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28400482 is a deficient number, since it is larger than the sum of its proper divisors (18255518).

28400482 is a wasteful number, since it uses less digits than its factorization.

28400482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081.

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 28400482 is about 5329.2102604420. The cubic root of 28400482 is about 305.0997863945.

It can be divided in two parts, 28400 and 482, that added together give a palindrome (28882).

The spelling of 28400482 in words is "twenty-eight million, four hundred thousand, four hundred eighty-two".

Divisors: 1 2 11 22 269 538 2959 4799 5918 9598 52789 105578 1290931 2581862 14200241 28400482