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228135435 = 35116472137
BaseRepresentation
bin11011001100100…
…01001000001011
3120220021110222120
431212101020023
5431400313220
634345422323
75440055613
oct1546211013
9526243876
10228135435
1110785a590
126449a9a3
13383586a8
1422427a43
1515065a40
hexd99120b

228135435 has 32 divisors (see below), whose sum is σ = 399002112. Its totient is φ = 110388480.

The previous prime is 228135419. The next prime is 228135437. The reversal of 228135435 is 534531822.

It is not a de Polignac number, because 228135435 - 24 = 228135419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 228135396 and 228135405.

It is not an unprimeable number, because it can be changed into a prime (228135437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105687 + ... + 107823.

It is an arithmetic number, because the mean of its divisors is an integer number (12468816).

Almost surely, 2228135435 is an apocalyptic number.

228135435 is a deficient number, since it is larger than the sum of its proper divisors (170866677).

228135435 is a wasteful number, since it uses less digits than its factorization.

228135435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803.

The product of its digits is 28800, while the sum is 33.

The square root of 228135435 is about 15104.1529057409. The cubic root of 228135435 is about 611.0324136370.

The spelling of 228135435 in words is "two hundred twenty-eight million, one hundred thirty-five thousand, four hundred thirty-five".

Divisors: 1 3 5 11 15 33 55 165 647 1941 2137 3235 6411 7117 9705 10685 21351 23507 32055 35585 70521 106755 117535 352605 1382639 4147917 6913195 15209029 20739585 45627087 76045145 228135435