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234728577445 = 51931731091837
BaseRepresentation
bin1101101010011011101…
…0011101100110100101
3211102212122020012200111
43122212322131212211
512321211003434240
6255455520013021
722646535662635
oct3324672354645
9742778205614
10234728577445
119060318747a
12395aa161171
131919a23c69b
14b50a5366c5
15618c28d1ea
hex36a6e9d9a5

234728577445 has 32 divisors (see below), whose sum is σ = 310256686080. Its totient is φ = 169802334720.

The previous prime is 234728577439. The next prime is 234728577449. The reversal of 234728577445 is 544775827432.

It is a happy number.

It is not a de Polignac number, because 234728577445 - 23 = 234728577437 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 234728577445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234728577449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330934 + ... + 760903.

It is an arithmetic number, because the mean of its divisors is an integer number (9695521440).

Almost surely, 2234728577445 is an apocalyptic number.

It is an amenable number.

234728577445 is a deficient number, since it is larger than the sum of its proper divisors (75528108635).

234728577445 is a wasteful number, since it uses less digits than its factorization.

234728577445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091965.

The product of its digits is 52684800, while the sum is 58.

The spelling of 234728577445 in words is "two hundred thirty-four billion, seven hundred twenty-eight million, five hundred seventy-seven thousand, four hundred forty-five".

Divisors: 1 5 19 31 73 95 155 365 589 1387 2263 2945 6935 11315 42997 214985 1091837 5459185 20744903 33846947 79704101 103724515 169234735 398520505 643091993 1514377919 2470827131 3215459965 7571889595 12354135655 46945715489 234728577445