Search a number
-
+
28943092 = 2215234751
BaseRepresentation
bin110111001101…
…0001011110100
32000110110110101
41232122023310
524402134332
62512203444
7501004123
oct156321364
960413411
1028943092
1115379412
129839584
135cc4bb9
143bb5aba
15281aae7
hex1b9a2f4

28943092 has 12 divisors (see below), whose sum is σ = 50694336. Its totient is φ = 14459000.

The previous prime is 28943087. The next prime is 28943147. The reversal of 28943092 is 29034982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3717 + ... + 8467.

It is an arithmetic number, because the mean of its divisors is an integer number (4224528).

Almost surely, 228943092 is an apocalyptic number.

It is an amenable number.

28943092 is a deficient number, since it is larger than the sum of its proper divisors (21751244).

28943092 is a wasteful number, since it uses less digits than its factorization.

28943092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6278 (or 6276 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 28943092 is about 5379.8784372883. The cubic root of 28943092 is about 307.0305861366.

The spelling of 28943092 in words is "twenty-eight million, nine hundred forty-three thousand, ninety-two".

Divisors: 1 2 4 1523 3046 4751 6092 9502 19004 7235773 14471546 28943092