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8028933 = 311243301
BaseRepresentation
bin11110101000001100000101
3120002220121220
4132220030011
54023411213
6444030553
7125146653
oct36501405
916086556
108028933
114594290
122832459
131881663
1410cddd3
15a88e23
hex7a8305

8028933 has 8 divisors (see below), whose sum is σ = 11678496. Its totient is φ = 4866000.

The previous prime is 8028931. The next prime is 8028949. The reversal of 8028933 is 3398208.

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

It is not a de Polignac number, because 8028933 - 21 = 8028931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 243301 = 8028933 / (8 + 0 + 2 + 8 + 9 + 3 + 3).

8028933 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8028894 and 8028903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8028931) 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, 121618 + ... + 121683.

It is an arithmetic number, because the mean of its divisors is an integer number (1459812).

Almost surely, 28028933 is an apocalyptic number.

It is an amenable number.

8028933 is a deficient number, since it is larger than the sum of its proper divisors (3649563).

8028933 is a wasteful number, since it uses less digits than its factorization.

8028933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243315.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 8028933 is about 2833.5371887448. The cubic root of 8028933 is about 200.2408182498.

The spelling of 8028933 in words is "eight million, twenty-eight thousand, nine hundred thirty-three".

Divisors: 1 3 11 33 243301 729903 2676311 8028933