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13673669 = 83164743
BaseRepresentation
bin110100001010…
…010011000101
3221201200202012
4310022103011
512000024134
61205024005
7224136632
oct64122305
927650665
1013673669
11779a259
1246b5005
132aa9a39
141b5d189
1513016ce
hexd0a4c5

13673669 has 4 divisors (see below), whose sum is σ = 13838496. Its totient is φ = 13508844.

The previous prime is 13673657. The next prime is 13673687. The reversal of 13673669 is 96637631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96637631 = 175355127.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13673669 is a prime.

It is a super-2 number, since 2×136736692 = 373938447843122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13673689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82289 + ... + 82454.

It is an arithmetic number, because the mean of its divisors is an integer number (3459624).

Almost surely, 213673669 is an apocalyptic number.

It is an amenable number.

13673669 is a deficient number, since it is larger than the sum of its proper divisors (164827).

13673669 is an equidigital number, since it uses as much as digits as its factorization.

13673669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164826.

The product of its digits is 122472, while the sum is 41.

The square root of 13673669 is about 3697.7924495569. The cubic root of 13673669 is about 239.1268562037.

The spelling of 13673669 in words is "thirteen million, six hundred seventy-three thousand, six hundred sixty-nine".

Divisors: 1 83 164743 13673669