Search a number
-
+
2393697897 = 321129235577
BaseRepresentation
bin1000111010101100…
…1110111001101001
320011211011110012200
42032223032321221
514400241313042
61033305130413
7113214045033
oct21653167151
96154143180
102393697897
1110191a8728
12569789a09
132c1bc02b6
14189c9cc53
15e022dc4c
hex8eacee69

2393697897 has 12 divisors (see below), whose sum is σ = 3460640820. Its totient is φ = 1594378368.

The previous prime is 2393697853. The next prime is 2393697913. The reversal of 2393697897 is 7987963932.

It can be written as a sum of positive squares in 2 ways, for example, as 275029056 + 2118668841 = 16584^2 + 46029^2 .

It is not a de Polignac number, because 2393697897 - 216 = 2393632361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2393697797) 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, 107628 + ... + 127949.

It is an arithmetic number, because the mean of its divisors is an integer number (288386735).

Almost surely, 22393697897 is an apocalyptic number.

It is an amenable number.

2393697897 is a deficient number, since it is larger than the sum of its proper divisors (1066942923).

2393697897 is a wasteful number, since it uses less digits than its factorization.

2393697897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236712 (or 236709 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 63.

The square root of 2393697897 is about 48925.4320062685. The cubic root of 2393697897 is about 1337.6929741886.

The spelling of 2393697897 in words is "two billion, three hundred ninety-three million, six hundred ninety-seven thousand, eight hundred ninety-seven".

Divisors: 1 3 9 1129 3387 10161 235577 706731 2120193 265966433 797899299 2393697897