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28673682 = 237960493
BaseRepresentation
bin110110101100…
…0011010010010
31222221202220020
41231120122102
524320024212
62502324310
7465502512
oct155303222
958852806
1028673682
1115204a64
129729696
135c2c39b
143b45842
1527b5d8c
hex1b58692

28673682 has 16 divisors (see below), whose sum is σ = 58074240. Its totient is φ = 9436752.

The previous prime is 28673681. The next prime is 28673707. The reversal of 28673682 is 28637682.

It is not an unprimeable number, because it can be changed into a prime (28673681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29773 + ... + 30720.

It is an arithmetic number, because the mean of its divisors is an integer number (3629640).

Almost surely, 228673682 is an apocalyptic number.

28673682 is an abundant number, since it is smaller than the sum of its proper divisors (29400558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28673682 is a wasteful number, since it uses less digits than its factorization.

28673682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60577.

The product of its digits is 193536, while the sum is 42.

The square root of 28673682 is about 5354.7812280242. The cubic root of 28673682 is about 306.0749741531.

The spelling of 28673682 in words is "twenty-eight million, six hundred seventy-three thousand, six hundred eighty-two".

Divisors: 1 2 3 6 79 158 237 474 60493 120986 181479 362958 4778947 9557894 14336841 28673682