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13240302 = 2319374373
BaseRepresentation
bin110010100000…
…011111101110
3220220200021120
4302200133232
511342142202
61151441410
7220353315
oct62403756
926820246
1013240302
1175236a9
124526266
1329876ca
141a8927c
1512680bc
hexca07ee

13240302 has 64 divisors (see below), whose sum is σ = 29694720. Its totient is φ = 3919104.

The previous prime is 13240291. The next prime is 13240303. The reversal of 13240302 is 20304231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181338 + ... + 181410.

It is an arithmetic number, because the mean of its divisors is an integer number (463980).

Almost surely, 213240302 is an apocalyptic number.

13240302 is an abundant number, since it is smaller than the sum of its proper divisors (16454418).

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

13240302 is a wasteful number, since it uses less digits than its factorization.

13240302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13240302 is about 3638.7225780485. The cubic root of 13240302 is about 236.5734284137.

Adding to 13240302 its reverse (20304231), we get a palindrome (33544533).

The spelling of 13240302 in words is "thirteen million, two hundred forty thousand, three hundred two".

Divisors: 1 2 3 6 19 37 38 43 57 73 74 86 111 114 129 146 219 222 258 438 703 817 1387 1406 1591 1634 2109 2451 2701 2774 3139 3182 4161 4218 4773 4902 5402 6278 8103 8322 9417 9546 16206 18834 30229 51319 59641 60458 90687 102638 116143 119282 153957 178923 181374 232286 307914 348429 357846 696858 2206717 4413434 6620151 13240302