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13400126 = 26700063
BaseRepresentation
bin110011000111…
…100000111110
3221012210111222
4303013200332
511412301001
61155113342
7221620265
oct63074076
927183458
1013400126
117622793
1245a2852
132a1238c
141acb5dc
15129a61b
hexcc783e

13400126 has 4 divisors (see below), whose sum is σ = 20100192. Its totient is φ = 6700062.

The previous prime is 13400089. The next prime is 13400129. The reversal of 13400126 is 62100431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62100431 = 428914479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13400129) 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 as a sum of consecutive naturals, namely, 3350030 + ... + 3350033.

It is an arithmetic number, because the mean of its divisors is an integer number (5025048).

Almost surely, 213400126 is an apocalyptic number.

13400126 is a deficient number, since it is larger than the sum of its proper divisors (6700066).

13400126 is an equidigital number, since it uses as much as digits as its factorization.

13400126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700065.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 13400126 is about 3660.6182537927. The cubic root of 13400126 is about 237.5215182719.

Adding to 13400126 its reverse (62100431), we get a palindrome (75500557).

The spelling of 13400126 in words is "thirteen million, four hundred thousand, one hundred twenty-six".

Divisors: 1 2 6700063 13400126