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228292153 = 3126328001
BaseRepresentation
bin11011001101101…
…11011000111001
3120220120102221221
431212313120321
5431420322103
634353032041
75441310535
oct1546673071
9526512857
10228292153
11107957301
1264555621
13383b1b1b
1422468bc5
15150971bd
hexd9b7639

228292153 has 8 divisors (see below), whose sum is σ = 236560896. Its totient is φ = 220080000.

The previous prime is 228292121. The next prime is 228292189. The reversal of 228292153 is 351292822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228292153 - 25 = 228292121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228298153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5848 + ... + 22153.

It is an arithmetic number, because the mean of its divisors is an integer number (29570112).

Almost surely, 2228292153 is an apocalyptic number.

It is an amenable number.

228292153 is a deficient number, since it is larger than the sum of its proper divisors (8268743).

228292153 is a wasteful number, since it uses less digits than its factorization.

228292153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28295.

The product of its digits is 17280, while the sum is 34.

The square root of 228292153 is about 15109.3399260193. The cubic root of 228292153 is about 611.1722981735.

The spelling of 228292153 in words is "two hundred twenty-eight million, two hundred ninety-two thousand, one hundred fifty-three".

Divisors: 1 31 263 8153 28001 868031 7364263 228292153