Search a number
-
+
245121116 = 2261280279
BaseRepresentation
bin11101001110001…
…00000001011100
3122002020102221212
432213010001130
51000222333431
640153443552
76034331552
oct1647040134
9562212855
10245121116
11116401139
126a1105b8
133ba24aa6
14247a9bd2
15167bd72b
hexe9c405c

245121116 has 6 divisors (see below), whose sum is σ = 428961960. Its totient is φ = 122560556.

The previous prime is 245121103. The next prime is 245121133. The reversal of 245121116 is 611121542.

It is a junction number, because it is equal to n+sod(n) for n = 245121091 and 245121100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30640136 + ... + 30640143.

It is an arithmetic number, because the mean of its divisors is an integer number (71493660).

Almost surely, 2245121116 is an apocalyptic number.

It is an amenable number.

245121116 is a deficient number, since it is larger than the sum of its proper divisors (183840844).

245121116 is a wasteful number, since it uses less digits than its factorization.

245121116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61280283 (or 61280281 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 245121116 is about 15656.3442731693. The cubic root of 245121116 is about 625.8355680771.

Adding to 245121116 its reverse (611121542), we get a palindrome (856242658).

The spelling of 245121116 in words is "two hundred forty-five million, one hundred twenty-one thousand, one hundred sixteen".

Divisors: 1 2 4 61280279 122560558 245121116