Search a number
-
+
8028953 = 10377951
BaseRepresentation
bin11110101000001100011001
3120002220122122
4132220030121
54023411303
6444031025
7125150012
oct36501431
916086578
108028953
1145942a9
122832475
13188167a
1410d0009
15a88e38
hex7a8319

8028953 has 4 divisors (see below), whose sum is σ = 8107008. Its totient is φ = 7950900.

The previous prime is 8028949. The next prime is 8028961. The reversal of 8028953 is 3598208.

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 8028953 - 22 = 8028949 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8028973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38873 + ... + 39078.

It is an arithmetic number, because the mean of its divisors is an integer number (2026752).

Almost surely, 28028953 is an apocalyptic number.

It is an amenable number.

8028953 is a deficient number, since it is larger than the sum of its proper divisors (78055).

8028953 is a wasteful number, since it uses less digits than its factorization.

8028953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78054.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 8028953 is about 2833.5407179005. The cubic root of 8028953 is about 200.2409845157.

The spelling of 8028953 in words is "eight million, twenty-eight thousand, nine hundred fifty-three".

Divisors: 1 103 77951 8028953