Search a number
-
+
28426002 = 2311430697
BaseRepresentation
bin110110001101…
…1111100010010
31222111012010220
41230123330102
524234113002
62453133510
7463421433
oct154337422
958435126
1028426002
1115055970
12962a296
135b73727
143abd48a
1527677bc
hex1b1bf12

28426002 has 16 divisors (see below), whose sum is σ = 62020512. Its totient is φ = 8613920.

The previous prime is 28425983. The next prime is 28426007. The reversal of 28426002 is 20062482.

It is not an unprimeable number, because it can be changed into a prime (28426007) 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, 215283 + ... + 215414.

It is an arithmetic number, because the mean of its divisors is an integer number (3876282).

Almost surely, 228426002 is an apocalyptic number.

28426002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28426002 is an abundant number, since it is smaller than the sum of its proper divisors (33594510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28426002 is a wasteful number, since it uses less digits than its factorization.

28426002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430713.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 28426002 is about 5331.6040738224. The cubic root of 28426002 is about 305.1911441816.

Adding to 28426002 its reverse (20062482), we get a palindrome (48488484).

The spelling of 28426002 in words is "twenty-eight million, four hundred twenty-six thousand, two".

Divisors: 1 2 3 6 11 22 33 66 430697 861394 1292091 2584182 4737667 9475334 14213001 28426002