Search a number
-
+
2975247197 = 13217260917
BaseRepresentation
bin1011000101010110…
…1010101101011101
321200100110012212122
42301111222231131
522043130402242
61211121512325
7133505120036
oct26125525535
97610405778
102975247197
1112974a428a
126b04a26a5
13385528a00
14203201a8d
15126304ad2
hexb156ab5d

2975247197 has 18 divisors (see below), whose sum is σ = 3422434158. Its totient is φ = 2584787712.

The previous prime is 2975247181. The next prime is 2975247211. The reversal of 2975247197 is 7917425792.

It can be written as a sum of positive squares in 9 ways, for example, as 1317617401 + 1657629796 = 36299^2 + 40714^2 .

It is not a de Polignac number, because 2975247197 - 24 = 2975247181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2975247137) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18383 + ... + 79299.

It is an arithmetic number, because the mean of its divisors is an integer number (190135231).

Almost surely, 22975247197 is an apocalyptic number.

It is an amenable number.

2975247197 is a deficient number, since it is larger than the sum of its proper divisors (447186961).

2975247197 is a wasteful number, since it uses less digits than its factorization.

2975247197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60977 (or 60947 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 53.

The square root of 2975247197 is about 54545.8265772919. The cubic root of 2975247197 is about 1438.2719750412.

The spelling of 2975247197 in words is "two billion, nine hundred seventy-five million, two hundred forty-seven thousand, one hundred ninety-seven".

Divisors: 1 13 17 169 221 289 2873 3757 48841 60917 791921 1035589 10294973 13462657 17605013 175014541 228865169 2975247197