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13768058 = 26884029
BaseRepresentation
bin110100100001…
…010101111010
3221220111020002
4310201111322
512011034213
61211033002
7225012053
oct64412572
927814202
1013768058
117854167
12473b762
132b109a5
141b8572a
15131e658
hexd2157a

13768058 has 4 divisors (see below), whose sum is σ = 20652090. Its totient is φ = 6884028.

The previous prime is 13768057. The next prime is 13768067. The reversal of 13768058 is 85086731.

13768058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85086731 = 194478249.

It can be written as a sum of positive squares in only one way, i.e., 11002489 + 2765569 = 3317^2 + 1663^2 .

It is a super-3 number, since 3×137680583 (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13768057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3442013 + ... + 3442016.

Almost surely, 213768058 is an apocalyptic number.

13768058 is a deficient number, since it is larger than the sum of its proper divisors (6884032).

13768058 is an equidigital number, since it uses as much as digits as its factorization.

13768058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6884031.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 13768058 is about 3710.5333848384. The cubic root of 13768058 is about 239.6758238956.

The spelling of 13768058 in words is "thirteen million, seven hundred sixty-eight thousand, fifty-eight".

Divisors: 1 2 6884029 13768058