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245023340 = 22512251167
BaseRepresentation
bin11101001101011…
…00001001101100
3122002001110211112
432212230021230
51000211221330
640151411152
76033443522
oct1646541154
9562043745
10245023340
11116344731
126a083ab8
133b9bc433
1424782312
151679e795
hexe9ac26c

245023340 has 12 divisors (see below), whose sum is σ = 514549056. Its totient is φ = 98009328.

The previous prime is 245023309. The next prime is 245023351. The reversal of 245023340 is 43320542.

245023340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6125564 + ... + 6125603.

It is an arithmetic number, because the mean of its divisors is an integer number (42879088).

Almost surely, 2245023340 is an apocalyptic number.

245023340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245023340 is an abundant number, since it is smaller than the sum of its proper divisors (269525716).

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

245023340 is a wasteful number, since it uses less digits than its factorization.

245023340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12251176 (or 12251174 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 245023340 is about 15653.2213936940. The cubic root of 245023340 is about 625.7523441352.

Adding to 245023340 its reverse (43320542), we get a palindrome (288343882).

The spelling of 245023340 in words is "two hundred forty-five million, twenty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 12251167 24502334 49004668 61255835 122511670 245023340