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245312132 = 221310134657
BaseRepresentation
bin11101001111100…
…10101010000100
3122002121010222112
432213302222010
51000244442012
640201520152
76036055502
oct1647625204
9562533875
10245312132
111165216aa
126a1a3058
133ba90a10
1424819672
151680a122
hexe9f2a84

245312132 has 24 divisors (see below), whose sum is σ = 462874776. Its totient is φ = 113084928.

The previous prime is 245312117. The next prime is 245312141. The reversal of 245312132 is 231213542.

245312132 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 4 ways, for example, as 35236096 + 210076036 = 5936^2 + 14494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 245312098 and 245312107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50348 + ... + 55004.

It is an arithmetic number, because the mean of its divisors is an integer number (19286449).

Almost surely, 2245312132 is an apocalyptic number.

It is an amenable number.

245312132 is a deficient number, since it is larger than the sum of its proper divisors (217562644).

245312132 is a wasteful number, since it uses less digits than its factorization.

245312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5687 (or 5685 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 245312132 is about 15662.4433598337. The cubic root of 245312132 is about 625.9980912271.

Adding to 245312132 its reverse (231213542), we get a palindrome (476525674).

The spelling of 245312132 in words is "two hundred forty-five million, three hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 4 13 26 52 1013 2026 4052 4657 9314 13169 18628 26338 52676 60541 121082 242164 4717541 9435082 18870164 61328033 122656066 245312132