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297611140538 = 223291391605013
BaseRepresentation
bin1000101010010110000…
…00011001110110111010
31001110012000212101121202
410111023000121312322
514334001422444123
6344415355334202
730334036645445
oct4251300316672
91043160771552
10297611140538
11105241803888
1249819451362
13220abc439ba
1410593b8265c
157b1cad8a28
hex454b019dba

297611140538 has 32 divisors (see below), whose sum is σ = 485356233600. Its totient is φ = 136438860096.

The previous prime is 297611140531. The next prime is 297611140559. The reversal of 297611140538 is 835041116792.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 297611140492 and 297611140501.

It is not an unprimeable number, because it can be changed into a prime (297611140531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617081 + ... + 987932.

It is an arithmetic number, because the mean of its divisors is an integer number (15167382300).

It is a 1-persistent number, because it is pandigital, but 2⋅297611140538 = 595222281076 is not.

Almost surely, 2297611140538 is an apocalyptic number.

297611140538 is a deficient number, since it is larger than the sum of its proper divisors (187745093062).

297611140538 is a wasteful number, since it uses less digits than its factorization.

297611140538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605206.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 297611140538 in words is "two hundred ninety-seven billion, six hundred eleven million, one hundred forty thousand, five hundred thirty-eight".

Divisors: 1 2 23 29 46 58 139 278 667 1334 3197 4031 6394 8062 92713 185426 1605013 3210026 36915299 46545377 73830598 93090754 223096807 446193614 1070543671 2141087342 5131226561 6469807403 10262453122 12939614806 148805570269 297611140538