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28826633 = 115944417
BaseRepresentation
bin110110111110…
…1110000001001
32000020112201002
41231331300021
524334423013
62505504345
7500010443
oct155756011
960215632
1028826633
11152a9970
1297a20b5
135c83ba4
143b85493
1527e6358
hex1b7dc09

28826633 has 8 divisors (see below), whose sum is σ = 31980960. Its totient is φ = 25761280.

The previous prime is 28826599. The next prime is 28826653. The reversal of 28826633 is 33662882.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28826633 - 26 = 28826569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28826653) 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, 21560 + ... + 22857.

It is an arithmetic number, because the mean of its divisors is an integer number (3997620).

Almost surely, 228826633 is an apocalyptic number.

It is an amenable number.

28826633 is a deficient number, since it is larger than the sum of its proper divisors (3154327).

28826633 is a wasteful number, since it uses less digits than its factorization.

28826633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44487.

The product of its digits is 82944, while the sum is 38.

The square root of 28826633 is about 5369.0439558640. The cubic root of 28826633 is about 306.6182305092.

The spelling of 28826633 in words is "twenty-eight million, eight hundred twenty-six thousand, six hundred thirty-three".

Divisors: 1 11 59 649 44417 488587 2620603 28826633