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228016130 = 2523397861
BaseRepresentation
bin11011001011101…
…00000000000010
3120220001102022212
431211310000002
5431333004010
634343102122
75436051026
oct1545640002
9526042285
10228016130
11107788991
1264441942
13383162b4
14223d6386
1515040505
hexd974002

228016130 has 16 divisors (see below), whose sum is σ = 412194744. Its totient is φ = 90814080.

The previous prime is 228016099. The next prime is 228016141. The reversal of 228016130 is 31610822.

Adding to 228016130 its reverse (31610822), we get a palindrome (259626952).

It can be written as a sum of positive squares in 4 ways, for example, as 186786889 + 41229241 = 13667^2 + 6421^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 228016096 and 228016105.

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, 46601 + ... + 51260.

Almost surely, 2228016130 is an apocalyptic number.

228016130 is a deficient number, since it is larger than the sum of its proper divisors (184178614).

228016130 is a wasteful number, since it uses less digits than its factorization.

228016130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98101.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 228016130 is about 15100.2029787682. The cubic root of 228016130 is about 610.9258805250.

The spelling of 228016130 in words is "two hundred twenty-eight million, sixteen thousand, one hundred thirty".