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245345312 = 254124561
BaseRepresentation
bin11101001111110…
…10110000100000
3122002122211111102
432213322300200
51000302022222
640202333532
76036254312
oct1647726040
9562584442
10245345312
11116544623
126a1ba2a8
133baa2b54
14248277b2
1516814d92
hexe9fac20

245345312 has 36 divisors (see below), whose sum is σ = 495200538. Its totient is φ = 119654400.

The previous prime is 245345299. The next prime is 245345327. The reversal of 245345312 is 213543542.

It is a happy number.

245345312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 62663056 + 182682256 = 7916^2 + 13516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51512 + ... + 56072.

Almost surely, 2245345312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245345312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247600269).

245345312 is an abundant number, since it is smaller than the sum of its proper divisors (249855226).

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

245345312 is an equidigital number, since it uses as much as digits as its factorization.

245345312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4653 (or 4604 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 245345312 is about 15663.5025457271. The cubic root of 245345312 is about 626.0263133403.

Adding to 245345312 its reverse (213543542), we get a palindrome (458888854).

The spelling of 245345312 in words is "two hundred forty-five million, three hundred forty-five thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 41 82 164 328 656 1312 1681 3362 4561 6724 9122 13448 18244 26896 36488 53792 72976 145952 187001 374002 748004 1496008 2992016 5984032 7667041 15334082 30668164 61336328 122672656 245345312