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13466245 = 5133141163
BaseRepresentation
bin110011010111…
…101010000101
3221100011012211
4303113222011
511421404440
61200343421
7222314122
oct63275205
927304184
1013466245
117668431
124614b71
132a364c0
141b07749
1512aeeea
hexcd7a85

13466245 has 32 divisors (see below), whose sum is σ = 18514944. Its totient is φ = 9331200.

The previous prime is 13466239. The next prime is 13466251. The reversal of 13466245 is 54266431.

It is an interprime number because it is at equal distance from previous prime (13466239) and next prime (13466251).

It is not a de Polignac number, because 13466245 - 211 = 13464197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

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, 82534 + ... + 82696.

It is an arithmetic number, because the mean of its divisors is an integer number (578592).

Almost surely, 213466245 is an apocalyptic number.

13466245 is the 2119-th octagonal number.

It is an amenable number.

13466245 is a deficient number, since it is larger than the sum of its proper divisors (5048699).

13466245 is a wasteful number, since it uses less digits than its factorization.

13466245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253.

The product of its digits is 17280, while the sum is 31.

The square root of 13466245 is about 3669.6382655515. The cubic root of 13466245 is about 237.9115376340.

The spelling of 13466245 in words is "thirteen million, four hundred sixty-six thousand, two hundred forty-five".

Divisors: 1 5 13 31 41 65 155 163 205 403 533 815 1271 2015 2119 2665 5053 6355 6683 10595 16523 25265 33415 65689 82615 86879 207173 328445 434395 1035865 2693249 13466245