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228474265 = 5431062671
BaseRepresentation
bin11011001111000…
…11110110011001
3120220220200202211
431213203312121
5431442134030
634400555121
75442666505
oct1547436631
9526820684
10228474265
11107a71108
1264622aa1
1338446996
14224b5305
15150d112a
hexd9e3d99

228474265 has 8 divisors (see below), whose sum is σ = 280545408. Its totient is φ = 178528560.

The previous prime is 228474229. The next prime is 228474283. The reversal of 228474265 is 562474822.

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

It is not a de Polignac number, because 228474265 - 219 = 227949977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 531121 + ... + 531550.

It is an arithmetic number, because the mean of its divisors is an integer number (35068176).

Almost surely, 2228474265 is an apocalyptic number.

It is an amenable number.

228474265 is a deficient number, since it is larger than the sum of its proper divisors (52071143).

228474265 is a wasteful number, since it uses less digits than its factorization.

228474265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062719.

The product of its digits is 215040, while the sum is 40.

The square root of 228474265 is about 15115.3651957205. The cubic root of 228474265 is about 611.3347686826.

The spelling of 228474265 in words is "two hundred twenty-eight million, four hundred seventy-four thousand, two hundred sixty-five".

Divisors: 1 5 43 215 1062671 5313355 45694853 228474265