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228536038 = 2367503619
BaseRepresentation
bin11011001111100…
…10111011100110
3120221000211111201
431213302323212
5432001123123
634402153114
75443344553
oct1547627346
9527024451
10228536038
11108003565
126465279a
1338468b33
14224cda2a
15150e45ad
hexd9f2ee6

228536038 has 16 divisors (see below), whose sum is σ = 344977920. Its totient is φ = 113546376.

The previous prime is 228536017. The next prime is 228536039. The reversal of 228536038 is 830635822.

It is a junction number, because it is equal to n+sod(n) for n = 228535988 and 228536006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228536039) 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, 368893 + ... + 369511.

It is an arithmetic number, because the mean of its divisors is an integer number (21561120).

Almost surely, 2228536038 is an apocalyptic number.

228536038 is a deficient number, since it is larger than the sum of its proper divisors (116441882).

228536038 is a wasteful number, since it uses less digits than its factorization.

228536038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 228536038 is about 15117.4084419255. The cubic root of 228536038 is about 611.3898596133.

The spelling of 228536038 in words is "two hundred twenty-eight million, five hundred thirty-six thousand, thirty-eight".

Divisors: 1 2 367 503 619 734 1006 1238 184601 227173 311357 369202 454346 622714 114268019 228536038