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13419949 is a prime number
BaseRepresentation
bin110011001100…
…010110101101
3221020210201011
4303030112231
511413414244
61155345221
7222032134
oct63142655
927223634
1013419949
117636674
1245b2211
132a1b3ca
141ad491b
1512a1434
hexccc5ad

13419949 has 2 divisors, whose sum is σ = 13419950. Its totient is φ = 13419948.

The previous prime is 13419943. The next prime is 13420003. The reversal of 13419949 is 94991431.

13419949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13176900 + 243049 = 3630^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 13419949 - 27 = 13419821 is a prime.

It is equal to p874795 and since 13419949 and 874795 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13419943) 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, 6709974 + 6709975.

It is an arithmetic number, because the mean of its divisors is an integer number (6709975).

Almost surely, 213419949 is an apocalyptic number.

It is an amenable number.

13419949 is a deficient number, since it is larger than the sum of its proper divisors (1).

13419949 is an equidigital number, since it uses as much as digits as its factorization.

13419949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 40.

The square root of 13419949 is about 3663.3248559198. The cubic root of 13419949 is about 237.6385835700.

It can be divided in two parts, 134199 and 49, that multiplied together give a triangular number (6575751 = T3626).

The spelling of 13419949 in words is "thirteen million, four hundred nineteen thousand, nine hundred forty-nine".