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2230331506 = 21385781981
BaseRepresentation
bin1000010011110000…
…0010100001110010
312202102202120122121
42010330002201302
514031431102011
61005151424454
7106161335134
oct20474024162
95672676577
102230331506
11a44a67087
12522b2512a
132970c14b0
141722d5054
15d0c0de71
hex84f02872

2230331506 has 8 divisors (see below), whose sum is σ = 3602843244. Its totient is φ = 1029383760.

The previous prime is 2230331497. The next prime is 2230331527. The reversal of 2230331506 is 6051330322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2164575625 + 65755881 = 46525^2 + 8109^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42890965 + ... + 42891016.

Almost surely, 22230331506 is an apocalyptic number.

2230331506 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2230331506 is a deficient number, since it is larger than the sum of its proper divisors (1372511738).

2230331506 is a wasteful number, since it uses less digits than its factorization.

2230331506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85781996.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 2230331506 is about 47226.3856969809. The cubic root of 2230331506 is about 1306.5412921003.

Adding to 2230331506 its reverse (6051330322), we get a palindrome (8281661828).

The spelling of 2230331506 in words is "two billion, two hundred thirty million, three hundred thirty-one thousand, five hundred six".

Divisors: 1 2 13 26 85781981 171563962 1115165753 2230331506