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245120312 = 23239128201
BaseRepresentation
bin11101001110000…
…11110100111000
3122002020101212002
432213003310320
51000222322222
640153440132
76034326323
oct1647036470
9562211762
10245120312
11116400578
126a110048
133ba24608
14247a97ba
15167bd392
hexe9c3d38

245120312 has 16 divisors (see below), whose sum is σ = 461527200. Its totient is φ = 122046400.

The previous prime is 245120303. The next prime is 245120321. The reversal of 245120312 is 213021542.

It is an interprime number because it is at equal distance from previous prime (245120303) and next prime (245120321).

It is a congruent number.

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, 62189 + ... + 66012.

It is an arithmetic number, because the mean of its divisors is an integer number (28845450).

Almost surely, 2245120312 is an apocalyptic number.

It is an amenable number.

245120312 is a deficient number, since it is larger than the sum of its proper divisors (216406888).

245120312 is a wasteful number, since it uses less digits than its factorization.

245120312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128446 (or 128442 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 245120312 is about 15656.3185966561. The cubic root of 245120312 is about 625.8348838271.

Adding to 245120312 its reverse (213021542), we get a palindrome (458141854).

The spelling of 245120312 in words is "two hundred forty-five million, one hundred twenty thousand, three hundred twelve".

Divisors: 1 2 4 8 239 478 956 1912 128201 256402 512804 1025608 30640039 61280078 122560156 245120312