[go: up one dir, main page]

Search a number
-
+
28275462 = 2321570859
BaseRepresentation
bin110101111011…
…1001100000110
31222012112122100
41223313030012
524214303322
62450012530
7462223515
oct153671406
958175570
1028275462
1114a62856
129577146
135b20057
143a8067c
152737dac
hex1af7306

28275462 has 12 divisors (see below), whose sum is σ = 61263540. Its totient is φ = 9425148.

The previous prime is 28275461. The next prime is 28275463. The reversal of 28275462 is 26457282.

It is an interprime number because it is at equal distance from previous prime (28275461) and next prime (28275463).

It is a super-3 number, since 3×282754623 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28275461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 785412 + ... + 785447.

It is an arithmetic number, because the mean of its divisors is an integer number (5105295).

Almost surely, 228275462 is an apocalyptic number.

28275462 is an abundant number, since it is smaller than the sum of its proper divisors (32988078).

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

28275462 is a wasteful number, since it uses less digits than its factorization.

28275462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570867 (or 1570864 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 28275462 is about 5317.4676303669. The cubic root of 28275462 is about 304.6514409240.

The spelling of 28275462 in words is "twenty-eight million, two hundred seventy-five thousand, four hundred sixty-two".

Divisors: 1 2 3 6 9 18 1570859 3141718 4712577 9425154 14137731 28275462