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28673374 = 214336687
BaseRepresentation
bin110110101100…
…0010101011110
31222221202110211
41231120111132
524320021444
62502323034
7465501562
oct155302536
958852424
1028673374
1115204804
12972947a
135c2c1c2
143b456a2
1527b5c34
hex1b5855e

28673374 has 4 divisors (see below), whose sum is σ = 43010064. Its totient is φ = 14336686.

The previous prime is 28673369. The next prime is 28673377. The reversal of 28673374 is 47337682.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28673377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7168342 + ... + 7168345.

It is an arithmetic number, because the mean of its divisors is an integer number (10752516).

Almost surely, 228673374 is an apocalyptic number.

28673374 is a deficient number, since it is larger than the sum of its proper divisors (14336690).

28673374 is a wasteful number, since it uses less digits than its factorization.

28673374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14336689.

The product of its digits is 169344, while the sum is 40.

The square root of 28673374 is about 5354.7524686021. The cubic root of 28673374 is about 306.0738782418.

It can be divided in two parts, 2867 and 3374, that added together give a square (6241 = 792).

The spelling of 28673374 in words is "twenty-eight million, six hundred seventy-three thousand, three hundred seventy-four".

Divisors: 1 2 14336687 28673374