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28673716 = 228118839
BaseRepresentation
bin110110101100…
…0011010110100
31222221202221111
41231120122310
524320024331
62502324404
7465502561
oct155303264
958852844
1028673716
1115204a95
129729704
135c2c3c6
143b45868
1527b5db1
hex1b586b4

28673716 has 12 divisors (see below), whose sum is σ = 50246560. Its totient is φ = 14317560.

The previous prime is 28673707. The next prime is 28673759. The reversal of 28673716 is 61737682.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1176 + ... + 7663.

Almost surely, 228673716 is an apocalyptic number.

It is an amenable number.

28673716 is a deficient number, since it is larger than the sum of its proper divisors (21572844).

28673716 is a wasteful number, since it uses less digits than its factorization.

28673716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9654 (or 9652 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 28673716 is about 5354.7844027561. The cubic root of 28673716 is about 306.0750951298.

The spelling of 28673716 in words is "twenty-eight million, six hundred seventy-three thousand, seven hundred sixteen".

Divisors: 1 2 4 811 1622 3244 8839 17678 35356 7168429 14336858 28673716