Search a number
-
+
2228502375 = 345311217107
BaseRepresentation
bin1000010011010100…
…0011111101100111
312202022022122120000
42010311003331213
514030444034000
61005044312343
7106136646321
oct20465037547
95668278500
102228502375
11a43a27900
125223a26b3
13296900a78
14171d7a611
15d099c000
hex84d43f67

2228502375 has 240 divisors, whose sum is σ = 4880427552. Its totient is φ = 1007424000.

The previous prime is 2228502373. The next prime is 2228502377. The reversal of 2228502375 is 5732058222.

It is a happy number.

2228502375 is a `hidden beast` number, since 2 + 2 + 285 + 0 + 2 + 375 = 666.

It is an interprime number because it is at equal distance from previous prime (2228502373) and next prime (2228502377).

It is not a de Polignac number, because 2228502375 - 21 = 2228502373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228502371) 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 239 ways as a sum of consecutive naturals, for example, 20827072 + ... + 20827178.

Almost surely, 22228502375 is an apocalyptic number.

2228502375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2228502375 is an abundant number, since it is smaller than the sum of its proper divisors (2651925177).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2228502375 is a wasteful number, since it uses less digits than its factorization.

2228502375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 2228502375 is about 47207.0161628544. The cubic root of 2228502375 is about 1306.1840225217.

The spelling of 2228502375 in words is "two billion, two hundred twenty-eight million, five hundred two thousand, three hundred seventy-five".