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2230474537 = 2320196137
BaseRepresentation
bin1000010011110010…
…0101011100101001
312202110000211212001
42010330211130221
514032000141122
61005154451001
7106162502134
oct20474453451
95673024761
102230474537
11a45054595
12522b93a61
13297141625
1417233121b
15d0c3b527
hex84f25729

2230474537 has 4 divisors (see below), whose sum is σ = 2230593876. Its totient is φ = 2230355200.

The previous prime is 2230474523. The next prime is 2230474541. The reversal of 2230474537 is 7354740322.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7354740322 = 23677370161.

It can be written as a sum of positive squares in 2 ways, for example, as 1996659856 + 233814681 = 44684^2 + 15291^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2230474537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2230474496 and 2230474505.

It is not an unprimeable number, because it can be changed into a prime (2230474237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24868 + ... + 71269.

It is an arithmetic number, because the mean of its divisors is an integer number (557648469).

Almost surely, 22230474537 is an apocalyptic number.

It is an amenable number.

2230474537 is a deficient number, since it is larger than the sum of its proper divisors (119339).

2230474537 is an equidigital number, since it uses as much as digits as its factorization.

2230474537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119338.

The product of its (nonzero) digits is 141120, while the sum is 37.

The square root of 2230474537 is about 47227.8999850724. The cubic root of 2230474537 is about 1306.5692209699.

The spelling of 2230474537 in words is "two billion, two hundred thirty million, four hundred seventy-four thousand, five hundred thirty-seven".

Divisors: 1 23201 96137 2230474537