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228016154 = 2299740529
BaseRepresentation
bin11011001011101…
…00000000011010
3120220001102100202
431211310000122
5431333004104
634343102202
75436051062
oct1545640032
9526042322
10228016154
11107788a03
1264441962
1338316302
14223d63a2
151504051e
hexd97401a

228016154 has 16 divisors (see below), whose sum is σ = 357474600. Its totient is φ = 108939264.

The previous prime is 228016153. The next prime is 228016177. The reversal of 228016154 is 451610822.

Adding to 228016154 its reverse (451610822), we get a palindrome (679626976).

It can be written as a sum of positive squares in 4 ways, for example, as 224310529 + 3705625 = 14977^2 + 1925^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (228016153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14639 + ... + 25890.

Almost surely, 2228016154 is an apocalyptic number.

228016154 is a deficient number, since it is larger than the sum of its proper divisors (129458446).

228016154 is a wasteful number, since it uses less digits than its factorization.

228016154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40657.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 228016154 is about 15100.2037734595. The cubic root of 228016154 is about 610.9259019595.

The spelling of 228016154 in words is "two hundred twenty-eight million, sixteen thousand, one hundred fifty-four".

Divisors: 1 2 29 58 97 194 2813 5626 40529 81058 1175341 2350682 3931313 7862626 114008077 228016154