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227045579049 = 3217293432
BaseRepresentation
bin1101001101110011111…
…0001001100100101001
3210201001012022110020100
43103130332021210221
512204442132012144
6252145302420013
722255254402462
oct3233476114451
9721035273210
10227045579049
1188320346023
1238005131609
131854459aaa3
14adbbdc9d69
155d8ca0e269
hex34dcf89929

227045579049 has 27 divisors (see below), whose sum is σ = 348418263063. Its totient is φ = 142444723392.

The previous prime is 227045579041. The next prime is 227045579051. The reversal of 227045579049 is 940975540722.

The square root of 227045579049 is 476493.

It is a perfect power (a square), and thus also a powerful number.

227045579049 is a `hidden beast` number, since 2 + 27 + 0 + 4 + 5 + 579 + 0 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 176765589225 + 50279989824 = 420435^2 + 224232^2 .

It is not a de Polignac number, because 227045579049 - 23 = 227045579041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 227045578986 and 227045579004.

It is not an unprimeable number, because it can be changed into a prime (227045579041) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 24296472 + ... + 24305814.

Almost surely, 2227045579049 is an apocalyptic number.

227045579049 is the 476493-rd square number.

227045579049 is the 238247-th centered octagonal number.

It is an amenable number.

227045579049 is a deficient number, since it is larger than the sum of its proper divisors (121372684014).

227045579049 is an frugal number, since it uses more digits than its factorization.

227045579049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18726 (or 9363 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 227045579049 in words is "two hundred twenty-seven billion, forty-five million, five hundred seventy-nine thousand, forty-nine".

Divisors: 1 3 9 17 51 153 289 867 2601 9343 28029 84087 158831 476493 1429479 2700127 8100381 24301143 87291649 261874947 785624841 1483958033 4451874099 13355622297 25227286561 75681859683 227045579049