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28950002 = 259245339
BaseRepresentation
bin110111001101…
…1110111110010
32000110210221022
41232123313302
524402400002
62512255442
7501033224
oct156336762
960423838
1028950002
1115383624
129841582
135cc80a3
143bb8414
15281cba2
hex1b9bdf2

28950002 has 8 divisors (see below), whose sum is σ = 44161200. Its totient is φ = 14229604.

The previous prime is 28949971. The next prime is 28950007. The reversal of 28950002 is 20005982.

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

It is not an unprimeable number, because it can be changed into a prime (28950007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122552 + ... + 122787.

It is an arithmetic number, because the mean of its divisors is an integer number (5520150).

Almost surely, 228950002 is an apocalyptic number.

28950002 is a deficient number, since it is larger than the sum of its proper divisors (15211198).

28950002 is a wasteful number, since it uses less digits than its factorization.

28950002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245400.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 28950002 is about 5380.5206067815. The cubic root of 28950002 is about 307.0550181327.

Adding to 28950002 its reverse (20005982), we get a palindrome (48955984).

The spelling of 28950002 in words is "twenty-eight million, nine hundred fifty thousand, two".

Divisors: 1 2 59 118 245339 490678 14475001 28950002