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28967124 = 2232413927
BaseRepresentation
bin110111010000…
…0000011010100
32000111200102110
41232200003110
524403421444
62512511020
7501134154
oct156400324
960450373
1028967124
111539547a
12984b470
136002b14
143bc0764
152822cb9
hex1ba00d4

28967124 has 12 divisors (see below), whose sum is σ = 67589984. Its totient is φ = 9655704.

The previous prime is 28967119. The next prime is 28967129. The reversal of 28967124 is 42176982.

It is an interprime number because it is at equal distance from previous prime (28967119) and next prime (28967129).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28967129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206952 + ... + 1206975.

Almost surely, 228967124 is an apocalyptic number.

It is an amenable number.

28967124 is an abundant number, since it is smaller than the sum of its proper divisors (38622860).

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

28967124 is a wasteful number, since it uses less digits than its factorization.

28967124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413934 (or 2413932 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 28967124 is about 5382.1114815656. Note that the first 3 decimals coincide. The cubic root of 28967124 is about 307.1155404071.

The spelling of 28967124 in words is "twenty-eight million, nine hundred sixty-seven thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 2413927 4827854 7241781 9655708 14483562 28967124