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13679768 = 231709971
BaseRepresentation
bin110100001011…
…110010011000
3221202000010002
4310023302120
512000223033
61205112132
7224163464
oct64136230
927660102
1013679768
1177a38a3
1246b8648
132aac74b
141b614a4
1513033e8
hexd0bc98

13679768 has 8 divisors (see below), whose sum is σ = 25649580. Its totient is φ = 6839880.

The previous prime is 13679767. The next prime is 13679789. The reversal of 13679768 is 86797631.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×136797683 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13679767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 854978 + ... + 854993.

Almost surely, 213679768 is an apocalyptic number.

It is an amenable number.

13679768 is a deficient number, since it is larger than the sum of its proper divisors (11969812).

13679768 is a wasteful number, since it uses less digits than its factorization.

13679768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709977 (or 1709973 counting only the distinct ones).

The product of its digits is 381024, while the sum is 47.

The square root of 13679768 is about 3698.6170388403. The cubic root of 13679768 is about 239.1624042806.

The spelling of 13679768 in words is "thirteen million, six hundred seventy-nine thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 1709971 3419942 6839884 13679768