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228763672 = 23193229647
BaseRepresentation
bin11011010001010…
…10100000011000
3120221110101202121
431220222200120
5432030414142
634411111024
75445313324
oct1550524030
9527411677
10228763672
11108149595
1264742474
1338518627
142254c984
151513bc67
hexda2a818

228763672 has 32 divisors (see below), whose sum is σ = 433706400. Its totient is φ = 113117184.

The previous prime is 228763669. The next prime is 228763673. The reversal of 228763672 is 276367822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228763673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353253 + ... + 353899.

It is an arithmetic number, because the mean of its divisors is an integer number (13553325).

Almost surely, 2228763672 is an apocalyptic number.

It is an amenable number.

228763672 is a deficient number, since it is larger than the sum of its proper divisors (204942728).

228763672 is a wasteful number, since it uses less digits than its factorization.

228763672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075 (or 1071 counting only the distinct ones).

The product of its digits is 338688, while the sum is 43.

The square root of 228763672 is about 15124.9354378787. The cubic root of 228763672 is about 611.5927844826.

The spelling of 228763672 in words is "two hundred twenty-eight million, seven hundred sixty-three thousand, six hundred seventy-two".

Divisors: 1 2 4 8 193 229 386 458 647 772 916 1294 1544 1832 2588 5176 44197 88394 124871 148163 176788 249742 296326 353576 499484 592652 998968 1185304 28595459 57190918 114381836 228763672