Search a number
-
+
28747676 = 227186919
BaseRepresentation
bin110110110101…
…0011110011100
32000002112101202
41231222132130
524324411201
62504055032
7466231316
oct155523634
960075352
1028747676
1115255611
129764478
135c56c79
143b647b6
1527ccc6b
hex1b6a79c

28747676 has 6 divisors (see below), whose sum is σ = 50308440. Its totient is φ = 14373836.

The previous prime is 28747651. The next prime is 28747679. The reversal of 28747676 is 67674782.

It is a self number, because there is not a number n which added to its sum of digits gives 28747676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28747679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3593456 + ... + 3593463.

It is an arithmetic number, because the mean of its divisors is an integer number (8384740).

Almost surely, 228747676 is an apocalyptic number.

It is an amenable number.

28747676 is a deficient number, since it is larger than the sum of its proper divisors (21560764).

28747676 is a wasteful number, since it uses less digits than its factorization.

28747676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7186923 (or 7186921 counting only the distinct ones).

The product of its digits is 790272, while the sum is 47.

The square root of 28747676 is about 5361.6859288847. The cubic root of 28747676 is about 306.3380290606.

The spelling of 28747676 in words is "twenty-eight million, seven hundred forty-seven thousand, six hundred seventy-six".

Divisors: 1 2 4 7186919 14373838 28747676