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13675445 = 57390727
BaseRepresentation
bin110100001010…
…101110110101
3221201210011222
4310022232311
512000103240
61205040125
7224145050
oct64125665
927653158
1013675445
1177a0623
1246b6045
132aaa7a4
141b5da97
151301eb5
hexd0abb5

13675445 has 8 divisors (see below), whose sum is σ = 18754944. Its totient is φ = 9377424.

The previous prime is 13675423. The next prime is 13675471. The reversal of 13675445 is 54457631.

13675445 = 6082 + 6092 + ... + 6422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13675445 - 222 = 9481141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 390727 = 13675445 / (1 + 3 + 6 + 7 + 5 + 4 + 4 + 5).

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 195329 + ... + 195398.

It is an arithmetic number, because the mean of its divisors is an integer number (2344368).

Almost surely, 213675445 is an apocalyptic number.

It is an amenable number.

13675445 is a deficient number, since it is larger than the sum of its proper divisors (5079499).

13675445 is an equidigital number, since it uses as much as digits as its factorization.

13675445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390739.

The product of its digits is 50400, while the sum is 35.

The square root of 13675445 is about 3698.0325850376. The cubic root of 13675445 is about 239.1372087265.

The spelling of 13675445 in words is "thirteen million, six hundred seventy-five thousand, four hundred forty-five".

Divisors: 1 5 7 35 390727 1953635 2735089 13675445