Search a number
-
+
28936996 = 2211657659
BaseRepresentation
bin110111001100…
…0101100100100
32000110011002121
41232120230210
524401440441
62512115324
7500650264
oct156305444
960404077
1028936996
1115374880
129835b44
135cc21aa
143bb37a4
152818dd1
hex1b98b24

28936996 has 12 divisors (see below), whose sum is σ = 55243440. Its totient is φ = 13153160.

The previous prime is 28936991. The next prime is 28937017. The reversal of 28936996 is 69963982.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28936991) 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, 328786 + ... + 328873.

It is an arithmetic number, because the mean of its divisors is an integer number (4603620).

Almost surely, 228936996 is an apocalyptic number.

It is an amenable number.

28936996 is a deficient number, since it is larger than the sum of its proper divisors (26306444).

28936996 is a wasteful number, since it uses less digits than its factorization.

28936996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657674 (or 657672 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 52.

The square root of 28936996 is about 5379.3118519008. The cubic root of 28936996 is about 307.0090290080.

It can be divided in two parts, 2893 and 6996, that added together give a palindrome (9889).

The spelling of 28936996 in words is "twenty-eight million, nine hundred thirty-six thousand, nine hundred ninety-six".

Divisors: 1 2 4 11 22 44 657659 1315318 2630636 7234249 14468498 28936996