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228095769 = 3112628363
BaseRepresentation
bin11011001100001…
…11011100011001
3120220012110120110
431212013130121
5431343031034
634344514533
75436532146
oct1546073431
9526173513
10228095769
11107832800
126447ba49
1338343615
14224173cd
1515058de9
hexd987719

228095769 has 12 divisors (see below), whose sum is σ = 334289648. Its totient is φ = 138239640.

The previous prime is 228095767. The next prime is 228095771. The reversal of 228095769 is 967590822.

It is an interprime number because it is at equal distance from previous prime (228095767) and next prime (228095771).

It is not a de Polignac number, because 228095769 - 21 = 228095767 is a prime.

It is a super-2 number, since 2×2280957692 = 104055359671402722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228095767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 313819 + ... + 314544.

Almost surely, 2228095769 is an apocalyptic number.

It is an amenable number.

228095769 is a deficient number, since it is larger than the sum of its proper divisors (106193879).

228095769 is a wasteful number, since it uses less digits than its factorization.

228095769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628388 (or 628377 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 228095769 is about 15102.8397660837. The cubic root of 228095769 is about 610.9969981004.

The spelling of 228095769 in words is "two hundred twenty-eight million, ninety-five thousand, seven hundred sixty-nine".

Divisors: 1 3 11 33 121 363 628363 1885089 6911993 20735979 76031923 228095769