Search a number
-
+
97227845 = 511131719421
BaseRepresentation
bin1011100101110…
…01010001000101
320202221200112022
411302321101011
5144342242340
613351532525
72260265051
oct562712105
9222850468
1097227845
114a9787a0
122868a145
13171b2a90
14ccacc61
1588083b5
hex5cb9445

97227845 has 64 divisors (see below), whose sum is σ = 153135360. Its totient is φ = 58060800.

The previous prime is 97227817. The next prime is 97227857. The reversal of 97227845 is 54872279.

It is not a de Polignac number, because 97227845 - 214 = 97211461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97227796 and 97227805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 230735 + ... + 231155.

It is an arithmetic number, because the mean of its divisors is an integer number (2392740).

Almost surely, 297227845 is an apocalyptic number.

97227845 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

97227845 is a deficient number, since it is larger than the sum of its proper divisors (55907515).

97227845 is a wasteful number, since it uses less digits than its factorization.

97227845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486.

The product of its digits is 282240, while the sum is 44.

The square root of 97227845 is about 9860.4180945840. The cubic root of 97227845 is about 459.8295603598.

The spelling of 97227845 in words is "ninety-seven million, two hundred twenty-seven thousand, eight hundred forty-five".

Divisors: 1 5 11 13 17 19 55 65 85 95 143 187 209 221 247 323 421 715 935 1045 1105 1235 1615 2105 2431 2717 3553 4199 4631 5473 7157 7999 12155 13585 17765 20995 23155 27365 35785 39995 46189 60203 78727 87989 93041 103987 135983 230945 301015 393635 439945 465205 519935 679915 1023451 1143857 1495813 1767779 5117255 5719285 7479065 8838895 19445569 97227845