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245410220 = 225111115501
BaseRepresentation
bin11101010000010…
…10100110101100
3122002210010112102
432220022212230
51000311111340
640203554232
76036644456
oct1650124654
9562703472
10245410220
11116589370
126a22b978
133bac6563
14248432d6
1516829215
hexea0a9ac

245410220 has 24 divisors (see below), whose sum is σ = 562213008. Its totient is φ = 89240000.

The previous prime is 245410177. The next prime is 245410271. The reversal of 245410220 is 22014542.

It is a happy number.

245410220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 245410192 and 245410201.

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 7 ways as a sum of consecutive naturals, for example, 557531 + ... + 557970.

It is an arithmetic number, because the mean of its divisors is an integer number (23425542).

Almost surely, 2245410220 is an apocalyptic number.

245410220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245410220 is an abundant number, since it is smaller than the sum of its proper divisors (316802788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245410220 is a wasteful number, since it uses less digits than its factorization.

245410220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115521 (or 1115519 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 245410220 is about 15665.5743590843. The cubic root of 245410220 is about 626.0815151737.

Adding to 245410220 its reverse (22014542), we get a palindrome (267424762).

The spelling of 245410220 in words is "two hundred forty-five million, four hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1115501 2231002 4462004 5577505 11155010 12270511 22310020 24541022 49082044 61352555 122705110 245410220