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228270005 = 567681403
BaseRepresentation
bin11011001101100…
…01111110110101
3120220112022120122
431212301332311
5431414120010
634352341325
75441156135
oct1546617665
9526468518
10228270005
111079416a7
1264544845
13383a4a12
1422460ac5
1515090855
hexd9b1fb5

228270005 has 8 divisors (see below), whose sum is σ = 278012832. Its totient is φ = 179890128.

The previous prime is 228269981. The next prime is 228270037. The reversal of 228270005 is 500072822.

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 228270005 - 210 = 228268981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340367 + ... + 341036.

It is an arithmetic number, because the mean of its divisors is an integer number (34751604).

Almost surely, 2228270005 is an apocalyptic number.

It is an amenable number.

228270005 is a deficient number, since it is larger than the sum of its proper divisors (49742827).

228270005 is an equidigital number, since it uses as much as digits as its factorization.

228270005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681475.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 228270005 is about 15108.6069841002. The cubic root of 228270005 is about 611.1525330295.

The spelling of 228270005 in words is "two hundred twenty-eight million, two hundred seventy thousand, five".

Divisors: 1 5 67 335 681403 3407015 45654001 228270005