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227894857442 = 274834
BaseRepresentation
bin1101010000111110010…
…1111000111011100010
3210210020101101021011122
43110033211320323202
512213212040414232
6252405441412242
722315306220000
oct3241745707342
9723211337148
10227894857442
118871678449a
123820163a082
131864b515795
14b05cb01a70
155ddc36c312
hex350f978ee2

227894857442 has 50 divisors (see below), whose sum is σ = 403655591643. Its totient is φ = 96492486972.

The previous prime is 227894857417. The next prime is 227894857447. The reversal of 227894857442 is 244758498722.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 113947428721 + 113947428721 = 337561^2 + 337561^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=337561.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227894857447) by changing a digit.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 2745721133 + ... + 2745721215.

Almost surely, 2227894857442 is an apocalyptic number.

227894857442 is a deficient number, since it is larger than the sum of its proper divisors (175760734201).

227894857442 is an frugal number, since it uses more digits than its factorization.

227894857442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 92 counting only the distinct ones).

The product of its digits is 72253440, while the sum is 62.

The spelling of 227894857442 in words is "two hundred twenty-seven billion, eight hundred ninety-four million, eight hundred fifty-seven thousand, four hundred forty-two".

Divisors: 1 2 7 14 49 83 98 166 343 581 686 1162 2401 4067 4802 6889 8134 13778 28469 48223 56938 96446 199283 337561 398566 571787 675122 1143574 2362927 4002509 4725854 8005018 16540489 28017563 33080978 47458321 56035126 94916642 196122941 332208247 392245882 664416494 1372860587 2325457729 2745721174 4650915458 16278204103 32556408206 113947428721 227894857442