Search a number
-
+
28362873 = 3711199617
BaseRepresentation
bin110110000110…
…0100001111001
31222100222112210
41230030201321
524230102443
62451525333
7463036410
oct154144171
958328483
1028362873
11150124a0
1295b9849
135b50a86
143aa4477
152753c33
hex1b0c879

28362873 has 32 divisors (see below), whose sum is σ = 47462400. Its totient is φ = 14636160.

The previous prime is 28362863. The next prime is 28362883. The reversal of 28362873 is 37826382.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28362863) and next prime (28362883).

It is not a de Polignac number, because 28362873 - 29 = 28362361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28362823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45661 + ... + 46277.

It is an arithmetic number, because the mean of its divisors is an integer number (1483200).

Almost surely, 228362873 is an apocalyptic number.

It is an amenable number.

28362873 is a deficient number, since it is larger than the sum of its proper divisors (19099527).

28362873 is a wasteful number, since it uses less digits than its factorization.

28362873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837.

The product of its digits is 96768, while the sum is 39.

The square root of 28362873 is about 5325.6805198960. The cubic root of 28362873 is about 304.9650519842.

The spelling of 28362873 in words is "twenty-eight million, three hundred sixty-two thousand, eight hundred seventy-three".

Divisors: 1 3 7 11 21 33 77 199 231 597 617 1393 1851 2189 4179 4319 6567 6787 12957 15323 20361 45969 47509 122783 142527 368349 859481 1350613 2578443 4051839 9454291 28362873