Search a number
-
+
9155428 = 223761861
BaseRepresentation
bin100010111011…
…001101100100
3122020010212221
4202323031210
54320433203
6524122124
7140551132
oct42731544
918203787
109155428
115193677
123096344
131b87319
141304752
15c0cabd
hex8bb364

9155428 has 12 divisors (see below), whose sum is σ = 16455292. Its totient is φ = 4453920.

The previous prime is 9155417. The next prime is 9155477. The reversal of 9155428 is 8245519.

9155428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6190144 + 2965284 = 2488^2 + 1722^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 9155393 and 9155402.

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, 30783 + ... + 31078.

Almost surely, 29155428 is an apocalyptic number.

It is an amenable number.

9155428 is a deficient number, since it is larger than the sum of its proper divisors (7299864).

9155428 is a wasteful number, since it uses less digits than its factorization.

9155428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61902 (or 61900 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

The square root of 9155428 is about 3025.7937801509. The cubic root of 9155428 is about 209.1989741440.

Subtracting from 9155428 its reverse (8245519), we obtain a palindrome (909909).

The spelling of 9155428 in words is "nine million, one hundred fifty-five thousand, four hundred twenty-eight".

Divisors: 1 2 4 37 74 148 61861 123722 247444 2288857 4577714 9155428