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13672043 = 711353503
BaseRepresentation
bin110100001001…
…111001101011
3221201121111222
4310021321223
512000001133
61205012255
7224132120
oct64117153
927647458
1013672043
117799010
1246b408b
132aa9088
141b5c747
151300e98
hexd09e6b

13672043 has 16 divisors (see below), whose sum is σ = 17127936. Its totient is φ = 10602240.

The previous prime is 13672037. The next prime is 13672049. The reversal of 13672043 is 34027631.

It is an interprime number because it is at equal distance from previous prime (13672037) and next prime (13672049).

It is not a de Polignac number, because 13672043 - 24 = 13672027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13672049) 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 15 ways as a sum of consecutive naturals, for example, 26930 + ... + 27432.

It is an arithmetic number, because the mean of its divisors is an integer number (1070496).

Almost surely, 213672043 is an apocalyptic number.

13672043 is a deficient number, since it is larger than the sum of its proper divisors (3455893).

13672043 is a wasteful number, since it uses less digits than its factorization.

13672043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 13672043 is about 3697.5725821138. The cubic root of 13672043 is about 239.1173772633.

Adding to 13672043 its reverse (34027631), we get a palindrome (47699674).

The spelling of 13672043 in words is "thirteen million, six hundred seventy-two thousand, forty-three".

Divisors: 1 7 11 77 353 503 2471 3521 3883 5533 27181 38731 177559 1242913 1953149 13672043