Search a number
-
+
28944124 = 22112812341
BaseRepresentation
bin110111001101…
…0011011111100
32000110111212121
41232122123330
524402202444
62512212324
7501010126
oct156323374
960414777
1028944124
111537a170
12983a0a4
135cc5501
143bb6216
15281b084
hex1b9a6fc

28944124 has 24 divisors (see below), whose sum is σ = 55477296. Its totient is φ = 13104000.

The previous prime is 28944119. The next prime is 28944169. The reversal of 28944124 is 42144982.

It is a self number, because there is not a number n which added to its sum of digits gives 28944124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11194 + ... + 13534.

It is an arithmetic number, because the mean of its divisors is an integer number (2311554).

Almost surely, 228944124 is an apocalyptic number.

It is an amenable number.

28944124 is a deficient number, since it is larger than the sum of its proper divisors (26533172).

28944124 is a wasteful number, since it uses less digits than its factorization.

28944124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637 (or 2635 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 28944124 is about 5379.9743493812. The cubic root of 28944124 is about 307.0342352722.

The spelling of 28944124 in words is "twenty-eight million, nine hundred forty-four thousand, one hundred twenty-four".

Divisors: 1 2 4 11 22 44 281 562 1124 2341 3091 4682 6182 9364 12364 25751 51502 103004 657821 1315642 2631284 7236031 14472062 28944124