Search a number
-
+
897137683 = 13224122027
BaseRepresentation
bin110101011110010…
…011110000010011
32022112010022112121
4311132103300103
53314131401213
6225004435111
731142354521
oct6536236023
92275108477
10897137683
11420457902
12210548a97
13113b33900
1487213311
1553b6388d
hex35793c13

897137683 has 12 divisors (see below), whose sum is σ = 975532008. Its totient is φ = 824653440.

The previous prime is 897137677. The next prime is 897137693. The reversal of 897137683 is 386731798.

It is a happy number.

It is not a de Polignac number, because 897137683 - 217 = 897006611 is a prime.

It is a super-3 number, since 3×8971376833 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 897137683.

It is not an unprimeable number, because it can be changed into a prime (897137603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29716 + ... + 51742.

It is an arithmetic number, because the mean of its divisors is an integer number (81294334).

Almost surely, 2897137683 is an apocalyptic number.

897137683 is a deficient number, since it is larger than the sum of its proper divisors (78394325).

897137683 is a wasteful number, since it uses less digits than its factorization.

897137683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22294 (or 22281 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 52.

The square root of 897137683 is about 29952.2567263303. The cubic root of 897137683 is about 964.4647655169.

The spelling of 897137683 in words is "eight hundred ninety-seven million, one hundred thirty-seven thousand, six hundred eighty-three".

Divisors: 1 13 169 241 3133 22027 40729 286351 3722563 5308507 69010591 897137683