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13120148 = 223280037
BaseRepresentation
bin110010000011…
…001010010100
3220200120110102
4302003022110
511324321043
61145113232
7216343106
oct62031224
926616412
1013120148
1174513a8
124488818
132944b02
141a57576
1512426b8
hexc83294

13120148 has 6 divisors (see below), whose sum is σ = 22960266. Its totient is φ = 6560072.

The previous prime is 13120139. The next prime is 13120153. The reversal of 13120148 is 84102131.

It can be written as a sum of positive squares in only one way, i.e., 11303044 + 1817104 = 3362^2 + 1348^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640015 + ... + 1640022.

It is an arithmetic number, because the mean of its divisors is an integer number (3826711).

Almost surely, 213120148 is an apocalyptic number.

It is an amenable number.

13120148 is a deficient number, since it is larger than the sum of its proper divisors (9840118).

13120148 is a wasteful number, since it uses less digits than its factorization.

13120148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280041 (or 3280039 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 13120148 is about 3622.1744850297. The cubic root of 13120148 is about 235.8556284477.

Adding to 13120148 its reverse (84102131), we get a palindrome (97222279).

The spelling of 13120148 in words is "thirteen million, one hundred twenty thousand, one hundred forty-eight".

Divisors: 1 2 4 3280037 6560074 13120148