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13404219 = 342110613
BaseRepresentation
bin110011001000…
…100000111011
3221020000010120
4303020200323
511412413334
61155144323
7221635233
oct63104073
927200116
1013404219
117625874
1245a50a3
132a141ba
141acccc3
15129b949
hexcc883b

13404219 has 8 divisors (see below), whose sum is σ = 17916432. Its totient is φ = 8914080.

The previous prime is 13404169. The next prime is 13404233. The reversal of 13404219 is 91240431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13404219 - 27 = 13404091 is a prime.

It is a super-2 number, since 2×134042192 = 359346173999922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13404289) 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 in 7 ways as a sum of consecutive naturals, for example, 4044 + ... + 6569.

It is an arithmetic number, because the mean of its divisors is an integer number (2239554).

Almost surely, 213404219 is an apocalyptic number.

13404219 is a deficient number, since it is larger than the sum of its proper divisors (4512213).

13404219 is a wasteful number, since it uses less digits than its factorization.

13404219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11037.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 13404219 is about 3661.1772696771. The cubic root of 13404219 is about 237.5456990547.

The spelling of 13404219 in words is "thirteen million, four hundred four thousand, two hundred nineteen".

Divisors: 1 3 421 1263 10613 31839 4468073 13404219