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228023774 = 2112942247
BaseRepresentation
bin11011001011101…
…01110111011110
3120220001210210222
431211311313132
5431333230044
634343201342
75436112226
oct1545656736
9526053728
10228023774
11107793700
1264446252
1338319914
14223d9086
15150428ee
hexd975dde

228023774 has 12 divisors (see below), whose sum is σ = 375956952. Its totient is φ = 103647060.

The previous prime is 228023767. The next prime is 228023777. The reversal of 228023774 is 477320822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228023777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 470882 + ... + 471365.

It is an arithmetic number, because the mean of its divisors is an integer number (31329746).

Almost surely, 2228023774 is an apocalyptic number.

228023774 is a deficient number, since it is larger than the sum of its proper divisors (147933178).

228023774 is a wasteful number, since it uses less digits than its factorization.

228023774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942271 (or 942260 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 228023774 is about 15100.4560858273. The cubic root of 228023774 is about 610.9327073304.

The spelling of 228023774 in words is "two hundred twenty-eight million, twenty-three thousand, seven hundred seventy-four".

Divisors: 1 2 11 22 121 242 942247 1884494 10364717 20729434 114011887 228023774