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28836634 = 231465107
BaseRepresentation
bin110111000000…
…0001100011010
32000021001102111
41232000030122
524340233014
62510022534
7500051551
oct156001432
960231374
1028836634
1115306432
1297a7a4a
135c885c8
143b88d98
1527e92c4
hex1b8031a

28836634 has 8 divisors (see below), whose sum is σ = 44650368. Its totient is φ = 13953180.

The previous prime is 28836631. The next prime is 28836671. The reversal of 28836634 is 43663882.

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

It is not an unprimeable number, because it can be changed into a prime (28836631) 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, 232492 + ... + 232615.

It is an arithmetic number, because the mean of its divisors is an integer number (5581296).

Almost surely, 228836634 is an apocalyptic number.

28836634 is a deficient number, since it is larger than the sum of its proper divisors (15813734).

28836634 is a wasteful number, since it uses less digits than its factorization.

28836634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465140.

The product of its digits is 165888, while the sum is 40.

The square root of 28836634 is about 5369.9752327176. The cubic root of 28836634 is about 306.6536853883.

The spelling of 28836634 in words is "twenty-eight million, eight hundred thirty-six thousand, six hundred thirty-four".

Divisors: 1 2 31 62 465107 930214 14418317 28836634