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28533098 = 2111968261
BaseRepresentation
bin110110011011…
…0000101101010
31222200122001102
41230312011222
524301024343
62455321402
7464345606
oct154660552
958618042
1028533098
1115119380
129680262
135bb03b9
143b0a506
1527893b8
hex1b3616a

28533098 has 16 divisors (see below), whose sum is σ = 49148640. Its totient is φ = 12286800.

The previous prime is 28533091. The next prime is 28533103. The reversal of 28533098 is 89033582.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (28533091) by changing a digit.

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, 33713 + ... + 34548.

It is an arithmetic number, because the mean of its divisors is an integer number (3071790).

Almost surely, 228533098 is an apocalyptic number.

28533098 is a deficient number, since it is larger than the sum of its proper divisors (20615542).

28533098 is a wasteful number, since it uses less digits than its factorization.

28533098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68293.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 28533098 is about 5341.6381382494. The cubic root of 28533098 is about 305.5739367797.

The spelling of 28533098 in words is "twenty-eight million, five hundred thirty-three thousand, ninety-eight".

Divisors: 1 2 11 19 22 38 209 418 68261 136522 750871 1296959 1501742 2593918 14266549 28533098