Search a number
-
+
28475703 = 323163967
BaseRepresentation
bin110110010100…
…0000100110111
31222120201022200
41230220010313
524242210303
62454155543
7464016354
oct154500467
958521280
1028475703
111508a243
129652bb3
135b90239
143ad362b
1527773a3
hex1b28137

28475703 has 6 divisors (see below), whose sum is σ = 41131584. Its totient is φ = 18983796.

The previous prime is 28475693. The next prime is 28475729. The reversal of 28475703 is 30757482.

28475703 is a `hidden beast` number, since 2 + 84 + 7 + 570 + 3 = 666.

It is not a de Polignac number, because 28475703 - 24 = 28475687 is a prime.

It is a super-2 number, since 2×284757032 = 1621731322688418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28475203) 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, 1581975 + ... + 1581992.

It is an arithmetic number, because the mean of its divisors is an integer number (6855264).

Almost surely, 228475703 is an apocalyptic number.

28475703 is a deficient number, since it is larger than the sum of its proper divisors (12655881).

28475703 is a wasteful number, since it uses less digits than its factorization.

28475703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163973 (or 3163970 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 28475703 is about 5336.2630182554. The cubic root of 28475703 is about 305.3689095174.

The spelling of 28475703 in words is "twenty-eight million, four hundred seventy-five thousand, seven hundred three".

Divisors: 1 3 9 3163967 9491901 28475703