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28461008 = 241778813
BaseRepresentation
bin110110010010…
…0011111010000
31222112222011102
41230210133100
524241223013
62454003532
7463625462
oct154443720
958488142
1028461008
111507a1a4
1296465a8
135b86644
143acc132
152772d58
hex1b247d0

28461008 has 10 divisors (see below), whose sum is σ = 55143234. Its totient is φ = 14230496.

The previous prime is 28460923. The next prime is 28461047. The reversal of 28461008 is 80016482.

It can be written as a sum of positive squares in only one way, i.e., 25321024 + 3139984 = 5032^2 + 1772^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 889391 + ... + 889422.

Almost surely, 228461008 is an apocalyptic number.

It is an amenable number.

28461008 is a deficient number, since it is larger than the sum of its proper divisors (26682226).

28461008 is a wasteful number, since it uses less digits than its factorization.

28461008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778821 (or 1778815 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 28461008 is about 5334.8859406739. The cubic root of 28461008 is about 305.3163715314.

The spelling of 28461008 in words is "twenty-eight million, four hundred sixty-one thousand, eight".

Divisors: 1 2 4 8 16 1778813 3557626 7115252 14230504 28461008