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8028101 = 31258971
BaseRepresentation
bin11110100111111111000101
3120002212111002
4132213333011
54023344401
6444023045
7125144354
oct36477705
916085432
108028101
1145936a4
122831a85
131881173
1410cd99b
15a88a6b
hex7a7fc5

8028101 has 4 divisors (see below), whose sum is σ = 8287104. Its totient is φ = 7769100.

The previous prime is 8028077. The next prime is 8028107. The reversal of 8028101 is 1018208.

8028101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8028101 - 26 = 8028037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8028107) 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, 129455 + ... + 129516.

It is an arithmetic number, because the mean of its divisors is an integer number (2071776).

Almost surely, 28028101 is an apocalyptic number.

It is an amenable number.

8028101 is a deficient number, since it is larger than the sum of its proper divisors (259003).

8028101 is a wasteful number, since it uses less digits than its factorization.

8028101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259002.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 8028101 is about 2833.3903719749. The cubic root of 8028101 is about 200.2339013442.

The spelling of 8028101 in words is "eight million, twenty-eight thousand, one hundred one".

Divisors: 1 31 258971 8028101