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28361002 = 2101140401
BaseRepresentation
bin110110000110…
…0000100101010
31222100212222111
41230030010222
524230023002
62451512534
7463031065
oct154140452
958325874
1028361002
111501104a
1295b874a
135b4cc77
143aa38dc
1527533d7
hex1b0c12a

28361002 has 8 divisors (see below), whose sum is σ = 42963012. Its totient is φ = 14040000.

The previous prime is 28360987. The next prime is 28361027. The reversal of 28361002 is 20016382.

It can be written as a sum of positive squares in 2 ways, for example, as 28313041 + 47961 = 5321^2 + 219^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69999 + ... + 70402.

Almost surely, 228361002 is an apocalyptic number.

28361002 is a deficient number, since it is larger than the sum of its proper divisors (14602010).

28361002 is a wasteful number, since it uses less digits than its factorization.

28361002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140504.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 28361002 is about 5325.5048586965. The cubic root of 28361002 is about 304.9583460091.

Adding to 28361002 its reverse (20016382), we get a palindrome (48377384).

The spelling of 28361002 in words is "twenty-eight million, three hundred sixty-one thousand, two".

Divisors: 1 2 101 202 140401 280802 14180501 28361002